diff --git a/android/gradle.properties b/android/gradle.properties
index a4d089355d0e23f8f0d2c5ec98c696bf5825657a..f629a20a0b72abb5c9f2fbd24198fe318b5f422f 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,5 +1,5 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.1.5
-app.versionCode=26
+app.versionName=0.1.6
+app.versionCode=27
diff --git a/fastlane/metadata/android/en-US/changelogs/27.txt b/fastlane/metadata/android/en-US/changelogs/27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09b12da598cf3a218f2012355d31050c4d67a469
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/27.txt
@@ -0,0 +1 @@
+Update parameters page, fix/clean code
diff --git a/fastlane/metadata/android/fr-FR/changelogs/27.txt b/fastlane/metadata/android/fr-FR/changelogs/27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e8982ac28e8f01f43a9580d31b7d21b48fca5b9
--- /dev/null
+++ b/fastlane/metadata/android/fr-FR/changelogs/27.txt
@@ -0,0 +1 @@
+Améliorations sur la page des paramètres, corrections/améliorations de code
diff --git a/lib/entities/cell.dart b/lib/entities/cell.dart
index e4ad3b2faded8e7947ed38124128f247cc76cdf8..5f50e799ca406b7193306a75691d78ebdc36f8ec 100644
--- a/lib/entities/cell.dart
+++ b/lib/entities/cell.dart
@@ -1,8 +1,7 @@
 import 'package:flutter/material.dart';
-
-import '../provider/data.dart';
-import '../utils/board_animate.dart';
-import '../utils/board_utils.dart';
+import 'package:minehunter/provider/data.dart';
+import 'package:minehunter/utils/board_animate.dart';
+import 'package:minehunter/utils/board_utils.dart';
 
 class Cell {
   bool isMined = false;
@@ -14,7 +13,7 @@ class Cell {
   bool isAnimated = false;
 
   Cell(
-    @required this.isMined,
+    this.isMined,
   );
 
   /*
@@ -59,7 +58,7 @@ class Cell {
             }
           }
         },
-      )
+      ),
     );
   }
 
@@ -78,7 +77,11 @@ class Cell {
           imageAsset = 'assets/skins/' + myProvider.parameterSkin + '_tile_mine.png';
         } else {
           // Show mines count around
-          imageAsset = 'assets/skins/' + myProvider.parameterSkin + '_tile_' + this.minesCountAround.toString() + '.png';
+          imageAsset = 'assets/skins/' +
+              myProvider.parameterSkin +
+              '_tile_' +
+              this.minesCountAround.toString() +
+              '.png';
         }
       } else {
         if (this.isMarked) {
@@ -98,7 +101,11 @@ class Cell {
         }
       } else {
         // Show all mines counts
-        imageAsset = 'assets/skins/' + myProvider.parameterSkin + '_tile_' + this.minesCountAround.toString() + '.png';
+        imageAsset = 'assets/skins/' +
+            myProvider.parameterSkin +
+            '_tile_' +
+            this.minesCountAround.toString() +
+            '.png';
       }
     }
 
diff --git a/lib/layout/board.dart b/lib/layout/board.dart
index bec58cad43e68d42dea6107b859547b533ebee06..19da7ab54cff58c686970387a96ad5dcea40f7e6 100644
--- a/lib/layout/board.dart
+++ b/lib/layout/board.dart
@@ -1,17 +1,14 @@
 import 'package:flutter/material.dart';
-
-import '../provider/data.dart';
-import '../utils/board_utils.dart';
+import 'package:minehunter/provider/data.dart';
 
 class Board {
-
   static Container buildGameBoard(Data myProvider) {
     return Container(
       margin: EdgeInsets.all(2),
       padding: EdgeInsets.all(2),
       child: Column(
         children: [
-          buildGameTileset(myProvider)
+          buildGameTileset(myProvider),
         ],
       ),
     );
@@ -34,29 +31,32 @@ class Board {
         defaultColumnWidth: IntrinsicColumnWidth(),
         children: [
           for (var row = 0; row < myProvider.sizeVertical; row++)
-            TableRow(children: [
-              for (var col = 0; col < myProvider.sizeHorizontal; col++)
-                Column(children: [
-                  cells[row][col].widget(
-                    myProvider,
-                    row,
-                    col
-                  )
-                ]),
-            ],
-          ),
-        ]
+            TableRow(
+              children: [
+                for (var col = 0; col < myProvider.sizeHorizontal; col++)
+                  Column(
+                    children: [
+                      cells[row][col].widget(myProvider, row, col),
+                    ],
+                  ),
+              ],
+            ),
+        ],
       ),
     );
   }
 
-  static FlatButton buildToggleFlagModeButton(Data myProvider) {
+  static TextButton buildToggleFlagModeButton(Data myProvider) {
     String reportModeSuffix = myProvider.reportMode ? 'on' : 'off';
 
-    return FlatButton(
+    return TextButton(
       child: Container(
         child: Image(
-          image: AssetImage('assets/skins/' + myProvider.parameterSkin  + '_button_mark_mine_' + reportModeSuffix + '.png'),
+          image: AssetImage('assets/skins/' +
+              myProvider.parameterSkin +
+              '_button_mark_mine_' +
+              reportModeSuffix +
+              '.png'),
           fit: BoxFit.fill,
         ),
       ),
@@ -85,5 +85,4 @@ class Board {
       ],
     );
   }
-
 }
diff --git a/lib/layout/game.dart b/lib/layout/game.dart
index f57e986297bdd213919bc04352deab6d708827b9..49573e1abe2817961453e017f80f850e37f921b9 100644
--- a/lib/layout/game.dart
+++ b/lib/layout/game.dart
@@ -1,12 +1,10 @@
 import 'package:flutter/material.dart';
-
-import '../layout/board.dart';
-import '../provider/data.dart';
-import '../utils/board_utils.dart';
-import '../utils/game_utils.dart';
+import 'package:minehunter/layout/board.dart';
+import 'package:minehunter/provider/data.dart';
+import 'package:minehunter/utils/board_utils.dart';
+import 'package:minehunter/utils/game_utils.dart';
 
 class Game {
-
   static Container buildGameWidget(Data myProvider) {
     bool gameIsFinished = myProvider.gameWin || myProvider.gameFail;
 
@@ -24,8 +22,8 @@ class Game {
           SizedBox(height: 2),
           Container(
             child: gameIsFinished
-              ? Game.buildEndGameMessage(myProvider)
-              : Board.buildToggleFlagModeLayout(myProvider),
+                ? Game.buildEndGameMessage(myProvider)
+                : Board.buildToggleFlagModeLayout(myProvider),
           ),
           SizedBox(height: 8),
         ],
@@ -55,7 +53,7 @@ class Game {
       style: TextStyle(
         fontSize: blockSize,
         fontWeight: FontWeight.bold,
-        color: Colors.black
+        color: Colors.black,
       ),
     );
     Text placedMinesCountBlock = Text(
@@ -63,7 +61,7 @@ class Game {
       style: TextStyle(
         fontSize: blockSize,
         fontWeight: FontWeight.bold,
-        color: Colors.black
+        color: Colors.black,
       ),
     );
 
@@ -82,11 +80,12 @@ class Game {
             placedMinesCountBlock,
           ],
         )
-      ]);
+      ],
+    );
   }
 
-  static FlatButton buildRestartGameButton(Data myProvider) {
-    return FlatButton(
+  static TextButton buildRestartGameButton(Data myProvider) {
+    return TextButton(
       child: Container(
         child: Image(
           image: AssetImage('assets/icons/button_back.png'),
@@ -99,33 +98,39 @@ class Game {
 
   static Container buildEndGameMessage(Data myProvider) {
     Image decorationImage = Image(
-      image: AssetImage(
-        myProvider.gameWin
+      image: AssetImage(myProvider.gameWin
           ? 'assets/icons/game_win.png'
           : myProvider.gameFail
-            ? 'assets/icons/game_fail.png'
-            : ''
-      ),
-      fit: BoxFit.fill
+              ? 'assets/icons/game_fail.png'
+              : ''),
+      fit: BoxFit.fill,
     );
 
     return Container(
       margin: EdgeInsets.all(2),
       padding: EdgeInsets.all(2),
-
       child: Table(
         defaultColumnWidth: IntrinsicColumnWidth(),
         children: [
           TableRow(
             children: [
-              Column(children: [ decorationImage ]),
-              Column(children: [ myProvider.animationInProgress ? decorationImage : buildRestartGameButton(myProvider) ]),
-              Column(children: [ decorationImage ]),
+              Column(
+                children: [decorationImage],
+              ),
+              Column(
+                children: [
+                  myProvider.animationInProgress
+                      ? decorationImage
+                      : buildRestartGameButton(myProvider)
+                ],
+              ),
+              Column(
+                children: [decorationImage],
+              ),
             ],
           ),
-        ]
-      )
+        ],
+      ),
     );
   }
-
 }
diff --git a/lib/layout/parameters.dart b/lib/layout/parameters.dart
index fc15126618110d9ddea25a12c9237fa72d76629b..f7a868cbf69da0efd3e1c6999daae3dd6aa14f9d 100644
--- a/lib/layout/parameters.dart
+++ b/lib/layout/parameters.dart
@@ -1,76 +1,97 @@
 import 'package:flutter/material.dart';
-
-import '../provider/data.dart';
-import '../utils/game_utils.dart';
+import 'package:minehunter/provider/data.dart';
+import 'package:minehunter/utils/game_utils.dart';
 
 class Parameters {
+  static double separatorHeight = 2.0;
+  static double blockMargin = 3.0;
+  static double blockPadding = 2.0;
+  static Color buttonBackgroundColor = Colors.white;
+  static Color buttonBorderColorActive = Colors.blue;
+  static Color buttonBorderColorInactive = Colors.white;
+  static double buttonBorderWidth = 10.0;
+  static double buttonBorderRadius = 8.0;
+  static double buttonPadding = 0.0;
+  static double buttonMargin = 0.0;
 
   static Container buildParametersSelector(Data myProvider) {
+    List<Widget> lines = [];
+
+    List parameters = myProvider.availableParameters;
+    for (var index = 0; index < parameters.length; index++) {
+      lines.add(buildParameterSelector(myProvider, parameters[index]));
+      lines.add(SizedBox(height: separatorHeight));
+    }
+
     return Container(
       child: Column(
         mainAxisAlignment: MainAxisAlignment.start,
         crossAxisAlignment: CrossAxisAlignment.center,
         children: [
-          SizedBox(height: 5),
+          SizedBox(height: separatorHeight),
           Expanded(
             child: Column(
               mainAxisSize: MainAxisSize.min,
               mainAxisAlignment: MainAxisAlignment.center,
-              children: [
-                Parameters.buildParameterSelector(myProvider, 'level'),
-                SizedBox(height: 5),
-                Parameters.buildParameterSelector(myProvider, 'size'),
-                SizedBox(height: 5),
-              ],
+              children: lines,
             ),
           ),
-          SizedBox(height: 5),
+          SizedBox(height: separatorHeight),
           Container(
-            child: Parameters.buildStartGameButton(myProvider),
+            child: buildStartNewGameButton(myProvider),
           ),
         ],
       ),
     );
   }
 
-  static Container buildStartGameButton(Data myProvider) {
-    Column decorationImage = Column(
+  static Image buildImageWidget(String imageAssetCode) {
+    return Image(
+      image: AssetImage('assets/icons/' + imageAssetCode + '.png'),
+      fit: BoxFit.fill,
+    );
+  }
+
+  static Container buildImageContainerWidget(String imageAssetCode) {
+    return Container(
+      child: buildImageWidget(imageAssetCode),
+    );
+  }
+
+  static Column buildDecorationImageWidget() {
+    return Column(
       children: [
-        Image(
-          image: AssetImage('assets/icons/placeholder.png'),
-          fit: BoxFit.fill
+        TextButton(
+          child: buildImageContainerWidget('placeholder'),
+          onPressed: () => null,
         ),
-      ]
+      ],
     );
+  }
 
+  static Container buildStartNewGameButton(Data myProvider) {
     return Container(
-      margin: EdgeInsets.all(2),
-      padding: EdgeInsets.all(2),
-
+      margin: EdgeInsets.all(blockMargin),
+      padding: EdgeInsets.all(blockPadding),
       child: Table(
         defaultColumnWidth: IntrinsicColumnWidth(),
         children: [
           TableRow(
             children: [
-              decorationImage,
+              buildDecorationImageWidget(),
               Column(
                 children: [
-                  FlatButton(
-                    child: Container(
-                      child: Image(
-                        image: AssetImage('assets/icons/button_start.png'),
-                        fit: BoxFit.fill,
-                      ),
-                    ),
-                    onPressed: () => GameUtils.startGame(myProvider),
+                  TextButton(
+                    child: buildImageContainerWidget('button_start'),
+                    onPressed: () => GameUtils.startNewGame(myProvider),
                   ),
-                ]
+                ],
               ),
-              decorationImage,
+              buildDecorationImageWidget(),
             ],
           ),
-        ]
-      )
+        ],
+      ),
     );
   }
 
@@ -78,7 +99,7 @@ class Parameters {
     List availableValues = myProvider.getParameterAvailableValues(parameterCode);
 
     if (availableValues.length == 1) {
-      return SizedBox(height: 1);
+      return SizedBox(height: 0.0);
     }
 
     return Table(
@@ -90,7 +111,7 @@ class Parameters {
               Column(
                 children: [
                   _buildParameterButton(myProvider, parameterCode, availableValues[index])
-                ]
+                ],
               ),
           ],
         ),
@@ -98,30 +119,28 @@ class Parameters {
     );
   }
 
-  static Widget _buildParameterButton(Data myProvider, String parameterCode, String parameterValue) {
+  static Widget _buildParameterButton(
+      Data myProvider, String parameterCode, String parameterValue) {
     String currentValue = myProvider.getParameterValue(parameterCode).toString();
 
     bool isActive = (parameterValue == currentValue);
-    String imageAsset = 'assets/icons/' + parameterCode + '_' + parameterValue + '.png';
+    String imageAsset = parameterCode + '_' + parameterValue;
 
     return TextButton(
       child: Container(
-        padding: EdgeInsets.all(2),
+        margin: EdgeInsets.all(buttonMargin),
+        padding: EdgeInsets.all(buttonPadding),
         decoration: BoxDecoration(
-          color: Colors.white,
-          borderRadius: BorderRadius.circular(10),
+          color: buttonBackgroundColor,
+          borderRadius: BorderRadius.circular(buttonBorderRadius),
           border: Border.all(
-            color: isActive ? Colors.blue : Colors.white,
-            width: 10,
+            color: isActive ? buttonBorderColorActive : buttonBorderColorInactive,
+            width: buttonBorderWidth,
           ),
         ),
-        child: Image(
-          image: AssetImage(imageAsset),
-          fit: BoxFit.fill,
-        ),
+        child: buildImageWidget(imageAsset),
       ),
       onPressed: () => myProvider.setParameterValue(parameterCode, parameterValue),
     );
   }
-
 }
diff --git a/lib/main.dart b/lib/main.dart
index 7f448662ed2c1ea856492d67bacbf56f62d81c3a..867441b06fb9afb9c6e3494c356b64c9d2506457 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,11 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:minehunter/provider/data.dart';
+import 'package:minehunter/screens/home.dart';
 import 'package:provider/provider.dart';
 import 'package:overlay_support/overlay_support.dart';
 
-import 'provider/data.dart';
-import 'screens/home.dart';
-
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
   SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp])
diff --git a/lib/provider/data.dart b/lib/provider/data.dart
index 22a07e4093304b88b69d618133ab0d9bf5f2f0f3..96d5dbc71fa780519536eaf28ed5e005dbc7f8f5 100644
--- a/lib/provider/data.dart
+++ b/lib/provider/data.dart
@@ -2,6 +2,9 @@ import 'package:flutter/foundation.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 class Data extends ChangeNotifier {
+  // Configuration available parameters
+  List _availableParameters = ['level', 'size', 'skin'];
+  List get availableParameters => _availableParameters;
 
   // Configuration available values
   List _availableLevelValues = ['easy', 'medium', 'hard', 'nightmare'];
@@ -58,37 +61,61 @@ class Data extends ChangeNotifier {
   }
 
   String getParameterValue(String parameterCode) {
-    switch(parameterCode) {
-      case 'level': { return _parameterLevel; }
-      break;
-      case 'size': { return _parameterSize; }
-      break;
-      case 'skin': { return _parameterSkin; }
-      break;
+    switch (parameterCode) {
+      case 'level':
+        {
+          return _parameterLevel;
+        }
+      case 'size':
+        {
+          return _parameterSize;
+        }
+
+      case 'skin':
+        {
+          return _parameterSkin;
+        }
     }
     return '';
   }
 
   List getParameterAvailableValues(String parameterCode) {
-    switch(parameterCode) {
-      case 'level': { return _availableLevelValues; }
-      break;
-      case 'size': { return _availableSizeValues; }
-      break;
-      case 'skin': { return _availableSkinValues; }
-      break;
+    switch (parameterCode) {
+      case 'level':
+        {
+          return _availableLevelValues;
+        }
+
+      case 'size':
+        {
+          return _availableSizeValues;
+        }
+
+      case 'skin':
+        {
+          return _availableSkinValues;
+        }
     }
     return [];
   }
 
   setParameterValue(String parameterCode, String parameterValue) async {
-    switch(parameterCode) {
-      case 'level': { updateParameterLevel(parameterValue); }
-      break;
-      case 'size': { updateParameterSize(parameterValue); }
-      break;
-      case 'skin': { updateParameterSkin(parameterValue); }
-      break;
+    switch (parameterCode) {
+      case 'level':
+        {
+          updateParameterLevel(parameterValue);
+        }
+        break;
+      case 'size':
+        {
+          updateParameterSize(parameterValue);
+        }
+        break;
+      case 'skin':
+        {
+          updateParameterSkin(parameterValue);
+        }
+        break;
     }
     final prefs = await SharedPreferences.getInstance();
     prefs.setString(parameterCode, parameterValue);
@@ -133,7 +160,7 @@ class Data extends ChangeNotifier {
     _cells[row][col].isMarked = false;
     if (_cells[row][col].isMined) {
       _cells[row][col].isExploded = true;
-    };
+    }
 
     notifyListeners();
   }
@@ -148,7 +175,6 @@ class Data extends ChangeNotifier {
     _assetsPreloaded = assetsPreloaded;
   }
 
-
   bool get isBoardMined => _isBoardMined;
   void updateIsBoardMined(bool isBoardMined) {
     _isBoardMined = isBoardMined;
@@ -160,7 +186,6 @@ class Data extends ChangeNotifier {
     _minesCount = minesCount;
   }
 
-
   bool get reportMode => _reportMode;
   void updateReportMode(bool reportMode) {
     _reportMode = reportMode;
@@ -181,6 +206,7 @@ class Data extends ChangeNotifier {
     }
     notifyListeners();
   }
+
   void resetAnimatedBackground() {
     for (var row = 0; row < _sizeVertical; row++) {
       for (var col = 0; col < _sizeHorizontal; col++) {
diff --git a/lib/screens/home.dart b/lib/screens/home.dart
index d7d778a6652a3b0d147e57c3bdfc038069bb07ac..18986beeaff26baeaf9a058812265a4bf158d14e 100644
--- a/lib/screens/home.dart
+++ b/lib/screens/home.dart
@@ -1,12 +1,11 @@
 import 'package:flutter/material.dart';
+import 'package:minehunter/layout/game.dart';
+import 'package:minehunter/layout/parameters.dart';
+import 'package:minehunter/provider/data.dart';
+import 'package:minehunter/utils/game_utils.dart';
 import 'package:provider/provider.dart';
 import 'package:overlay_support/overlay_support.dart';
 
-import '../layout/game.dart';
-import '../layout/parameters.dart';
-import '../provider/data.dart';
-import '../utils/game_utils.dart';
-
 class Home extends StatefulWidget {
   static const String id = 'home';
 
@@ -32,16 +31,10 @@ class _HomeState extends State<Home> {
       'game_fail',
       'game_win',
     ];
-    myProvider.availableLevelValues.forEach(
-      (level) => gameImages.add('level_' + level)
-    );
-    myProvider.availableSizeValues.forEach(
-      (size) => gameImages.add('size_' + size)
-    );
+    myProvider.availableLevelValues.forEach((level) => gameImages.add('level_' + level));
+    myProvider.availableSizeValues.forEach((size) => gameImages.add('size_' + size));
 
-    gameImages.forEach(
-      (image) => assets.add('assets/icons/' + image + '.png')
-    );
+    gameImages.forEach((image) => assets.add('assets/icons/' + image + '.png'));
 
     List skinImages = [
       'button_mark_mine_off',
@@ -57,9 +50,7 @@ class _HomeState extends State<Home> {
       skinImages.add('tile_' + value.toString());
     }
 
-    skinImages.forEach(
-      (image) => assets.add('assets/skins/default_' + image + '.png')
-    );
+    skinImages.forEach((image) => assets.add('assets/skins/default_' + image + '.png'));
 
     assets.add('assets/skins/default_empty.png');
 
@@ -72,9 +63,7 @@ class _HomeState extends State<Home> {
 
     if (!myProvider.assetsPreloaded) {
       List assets = getImagesAssets(myProvider);
-      assets.forEach(
-        (asset) => precacheImage(AssetImage(asset), context)
-      );
+      assets.forEach((asset) => precacheImage(AssetImage(asset), context));
       myProvider.updateAssetsPreloaded(true);
     }
 
@@ -82,19 +71,11 @@ class _HomeState extends State<Home> {
 
     if (myProvider.gameIsRunning) {
       menuActions = [
-        FlatButton(
+        TextButton(
           child: Container(
-            decoration: BoxDecoration(
-              borderRadius: BorderRadius.circular(4),
-              border: Border.all(
-                color: Colors.blue,
-                width: 4,
-              ),
-            ),
-            margin: EdgeInsets.all(8),
             child: Image(
               image: AssetImage('assets/icons/button_back.png'),
-              fit: BoxFit.fill
+              fit: BoxFit.fill,
             ),
           ),
           onPressed: () => toast('Long press to quit game...'),
@@ -110,10 +91,10 @@ class _HomeState extends State<Home> {
       body: SafeArea(
         child: Center(
           child: myProvider.gameIsRunning
-            ? Game.buildGameWidget(myProvider)
-            : Parameters.buildParametersSelector(myProvider)
+              ? Game.buildGameWidget(myProvider)
+              : Parameters.buildParametersSelector(myProvider),
         ),
-      )
+      ),
     );
   }
 }
diff --git a/lib/utils/board_animate.dart b/lib/utils/board_animate.dart
index 7e16e73a3f5373fc09fa815c874af43dd8b16a8f..5a83bfcda89ea5632a14e197970609052eb5a600 100644
--- a/lib/utils/board_animate.dart
+++ b/lib/utils/board_animate.dart
@@ -1,10 +1,9 @@
 import 'dart:async';
 import 'dart:math';
 
-import '../provider/data.dart';
+import 'package:minehunter/provider/data.dart';
 
 class BoardAnimate {
-
   // Start game animation: blinking tiles
   static List createStartGameAnimationPatterns(Data myProvider) {
     List<List> patterns = [];
@@ -56,7 +55,8 @@ class BoardAnimate {
         for (var col = 0; col < sizeHorizontal; col++) {
           bool isHilighted = false;
           for (var mineIndex = 0; mineIndex < explodedMines.length; mineIndex++) {
-            double distance = sqrt(pow((explodedMines[mineIndex][0] - row), 2) + pow((explodedMines[mineIndex][1] - col), 2));
+            double distance = sqrt(pow((explodedMines[mineIndex][0] - row), 2) +
+                pow((explodedMines[mineIndex][1] - col), 2));
             isHilighted = isHilighted || ((patternIndex + distance) % 4 < 2);
           }
           patternRow.add(isHilighted);
@@ -119,7 +119,7 @@ class BoardAnimate {
   static void startAnimation(Data myProvider, String animationType) {
     List patterns = [];
 
-    switch(animationType) {
+    switch (animationType) {
       case 'start':
         patterns = createStartGameAnimationPatterns(myProvider);
         break;
@@ -137,9 +137,8 @@ class BoardAnimate {
 
     myProvider.updateAnimationInProgress(true);
 
-    Timer _timerAnimateBoard;
     const interval = const Duration(milliseconds: 200);
-    _timerAnimateBoard = new Timer.periodic(
+    Timer.periodic(
       interval,
       (Timer timer) {
         if (_patternIndex == 0) {
diff --git a/lib/utils/board_utils.dart b/lib/utils/board_utils.dart
index 8d5394165881169f9c598ba449d8cde295fd09d1..a82c965b4a2b30c7cd434fc0a815905aeeb9033e 100644
--- a/lib/utils/board_utils.dart
+++ b/lib/utils/board_utils.dart
@@ -1,16 +1,15 @@
-import '../entities/cell.dart';
-import '../provider/data.dart';
+import 'package:minehunter/entities/cell.dart';
+import 'package:minehunter/provider/data.dart';
 
 class BoardUtils {
-
   static printGrid(List cells) {
-    final String IS_MINED = 'X';
-    final String IS_SAFE = '.';
+    final String isMined = 'X';
+    final String isSafe = '.';
 
-    final String MINE_FOUND = '#';
-    final String WRONG_MARKED_CELL = '0';
-    final String EXPLORED_SAFE_CELL = '.';
-    final String UNKNOWN_STATE = ' ';
+    final String mineFound = '#';
+    final String wrongMarkedCell = '0';
+    final String exploredSafeCell = '.';
+    final String unkownState = ' ';
 
     print('');
     String line = '--';
@@ -22,17 +21,17 @@ class BoardUtils {
       String currentLine = '';
       String solvedLine = '';
       for (var colIndex = 0; colIndex < cells[rowIndex].length; colIndex++) {
-        solvedLine += cells[rowIndex][colIndex].isMined ? IS_MINED : IS_SAFE;
+        solvedLine += cells[rowIndex][colIndex].isMined ? isMined : isSafe;
 
-        String cellString = UNKNOWN_STATE;
+        String cellString = unkownState;
         if (cells[rowIndex][colIndex].isExplored) {
-          cellString = EXPLORED_SAFE_CELL;
+          cellString = exploredSafeCell;
         }
         if (cells[rowIndex][colIndex].isMarked) {
           if (cells[rowIndex][colIndex].isMined) {
-            cellString = MINE_FOUND;
+            cellString = mineFound;
           } else {
-            cellString = WRONG_MARKED_CELL;
+            cellString = wrongMarkedCell;
           }
         }
         currentLine += cellString;
@@ -44,7 +43,6 @@ class BoardUtils {
   }
 
   static List createEmptyBoard(int sizeHorizontal, int sizeVertical) {
-    int index = 0;
     List cells = [];
     for (var rowIndex = 0; rowIndex < sizeVertical; rowIndex++) {
       List row = [];
@@ -59,23 +57,27 @@ class BoardUtils {
 
   static int getMinesCount(int sizeHorizontal, int sizeVertical, String level) {
     int minesCountRatio = 0;
-    switch(level) {
-      case 'easy': {
-        minesCountRatio = 5;
-      }
-      break;
-      case 'medium': {
-        minesCountRatio = 10;
-      }
-      break;
-      case 'hard': {
-        minesCountRatio = 15;
-      }
-      break;
-      case 'nightmare': {
-        minesCountRatio = 20;
-      }
-      break;
+    switch (level) {
+      case 'easy':
+        {
+          minesCountRatio = 5;
+        }
+        break;
+      case 'medium':
+        {
+          minesCountRatio = 10;
+        }
+        break;
+      case 'hard':
+        {
+          minesCountRatio = 15;
+        }
+        break;
+      case 'nightmare':
+        {
+          minesCountRatio = 20;
+        }
+        break;
     }
 
     int minesCount = ((sizeHorizontal * sizeVertical) * minesCountRatio / 100).round();
@@ -87,14 +89,14 @@ class BoardUtils {
 
   static void createInitialEmptyBoard(Data myProvider) {
     myProvider.updateIsBoardMined(false);
-    myProvider.updateCells(createEmptyBoard(myProvider.sizeHorizontal, myProvider.sizeVertical));
+    myProvider
+        .updateCells(createEmptyBoard(myProvider.sizeHorizontal, myProvider.sizeVertical));
   }
 
   static List createBoard(Data myProvider, int forbiddenRow, int forbiddenCol) {
     List cells = myProvider.cells;
     int sizeHorizontal = myProvider.sizeHorizontal;
     int sizeVertical = myProvider.sizeVertical;
-    String level = myProvider.parameterLevel;
 
     // Shuffle cells to put random mines, expect on currently selected one
     List allowedCells = [];
@@ -156,13 +158,9 @@ class BoardUtils {
         for (var deltaCol = -1; deltaCol <= 1; deltaCol++) {
           int candidateRow = row + deltaRow;
           int candidateCol = col + deltaCol;
-          if (
-            (candidateRow >= 0 && candidateRow < sizeVertical)
-            &&
-            (candidateCol >= 0 && candidateCol < sizeHorizontal)
-            &&
-            !cells[candidateRow][candidateCol].isExplored
-          ) {
+          if ((candidateRow >= 0 && candidateRow < sizeVertical) &&
+              (candidateCol >= 0 && candidateCol < sizeHorizontal) &&
+              !cells[candidateRow][candidateCol].isExplored) {
             safeCellsCoordinates.add([candidateRow, candidateCol]);
           }
         }
@@ -179,13 +177,9 @@ class BoardUtils {
     int minesCountAround = 0;
     for (var deltaRow = -1; deltaRow <= 1; deltaRow++) {
       for (var deltaCol = -1; deltaCol <= 1; deltaCol++) {
-        if (
-          (row + deltaRow >= 0 && row + deltaRow < sizeVertical)
-          &&
-          (col + deltaCol >= 0 && col + deltaCol < sizeHorizontal)
-          &&
-          (cells[row + deltaRow][col + deltaCol].isMined)
-        ) {
+        if ((row + deltaRow >= 0 && row + deltaRow < sizeVertical) &&
+            (col + deltaCol >= 0 && col + deltaCol < sizeHorizontal) &&
+            (cells[row + deltaRow][col + deltaCol].isMined)) {
           minesCountAround++;
         }
       }
@@ -217,12 +211,10 @@ class BoardUtils {
     for (var row = 0; row < sizeVertical; row++) {
       for (var col = 0; col < sizeHorizontal; col++) {
         if (
-          // Mine not already found
-          (cells[row][col].isMined == true && cells[row][col].isMarked == false)
-          ||
-          // Safe cell marked as mined
-          (cells[row][col].isMined == false && cells[row][col].isMarked == true)
-        ) {
+            // Mine not already found
+            (cells[row][col].isMined == true && cells[row][col].isMarked == false) ||
+                // Safe cell marked as mined
+                (cells[row][col].isMined == false && cells[row][col].isMarked == true)) {
           return false;
         }
       }
diff --git a/lib/utils/game_utils.dart b/lib/utils/game_utils.dart
index 8e2db5d96d30400f3fa3cd8cf95e47b815e7ea2b..02de51a917025dfbd62584e2bca9c78c0683356c 100644
--- a/lib/utils/game_utils.dart
+++ b/lib/utils/game_utils.dart
@@ -1,20 +1,19 @@
-import '../provider/data.dart';
-import '../utils/board_animate.dart';
-import '../utils/board_utils.dart';
+import 'package:minehunter/provider/data.dart';
+import 'package:minehunter/utils/board_animate.dart';
+import 'package:minehunter/utils/board_utils.dart';
 
 class GameUtils {
-
   static void resetGame(Data myProvider) {
     myProvider.updateGameIsRunning(false);
   }
 
-  static void startGame(Data myProvider) {
+  static void startNewGame(Data myProvider) {
     print('Starting game: ' + myProvider.parameterSize + ' - ' + myProvider.parameterLevel);
     myProvider.updateParameterSize(myProvider.parameterSize);
-    myProvider.updateMinesCount(BoardUtils.getMinesCount(myProvider.sizeHorizontal, myProvider.sizeVertical, myProvider.parameterLevel));
+    myProvider.updateMinesCount(BoardUtils.getMinesCount(
+        myProvider.sizeHorizontal, myProvider.sizeVertical, myProvider.parameterLevel));
     myProvider.updateGameIsRunning(true);
     BoardUtils.createInitialEmptyBoard(myProvider);
     BoardAnimate.startAnimation(myProvider, 'start');
   }
-
 }
diff --git a/test/widget_test.dart b/test/widget_test.dart
deleted file mode 100644
index 4ae14e644425f8a4f704c9a44a394dc439dedca8..0000000000000000000000000000000000000000
--- a/test/widget_test.dart
+++ /dev/null
@@ -1,14 +0,0 @@
-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility that Flutter provides. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:minehunter/main.dart';
-
-void main() {
-}