diff --git a/android/gradle.properties b/android/gradle.properties
index 6c1d873456149a8611e43a05ae56e4f50c73274f..24add27a90a4accaf6a1ee28ec651d0d6bda4f8e 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=0.0.19
-app.versionCode=19
+app.versionName=0.0.20
+app.versionCode=20
diff --git a/fastlane/metadata/android/en-US/changelogs/20.txt b/fastlane/metadata/android/en-US/changelogs/20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6428eb6cd6f0256974d22a071ffebab5d6b4d880
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/20.txt
@@ -0,0 +1 @@
+Fix / improve code, improve display
diff --git a/fastlane/metadata/android/fr-FR/changelogs/20.txt b/fastlane/metadata/android/fr-FR/changelogs/20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d3df4619f879bf9be229fbe9d56990238c4551db
--- /dev/null
+++ b/fastlane/metadata/android/fr-FR/changelogs/20.txt
@@ -0,0 +1 @@
+Corrections et amélioration de code, améliorations d'affichage
diff --git a/lib/entities/cell.dart b/lib/entities/cell.dart
index 47993965c8f1d9fac19c012c49966aae5ec857c3..155e1a73477be25c47b20429285bfea04febe72e 100644
--- a/lib/entities/cell.dart
+++ b/lib/entities/cell.dart
@@ -1,13 +1,12 @@
+import 'package:colors/provider/data.dart';
+import 'package:colors/utils/board_utils.dart';
 import 'package:flutter/material.dart';
 
-import '../provider/data.dart';
-import '../utils/board_utils.dart';
-
 class Cell {
   int value;
 
   Cell(
-    @required this.value,
+    this.value,
   );
 
   Widget widget(Data myProvider, int row, int col) {
@@ -28,16 +27,16 @@ class Cell {
           cellColorImage,
           Center(
             child: Text(
-                '•',
-                style: TextStyle(
-                  color: Colors.black,
-                  fontSize: blackPointFontSize,
-                  fontWeight: FontWeight.w800,
-                ),
-                textAlign: TextAlign.center
+              '•',
+              style: TextStyle(
+                color: Colors.black,
+                fontSize: blackPointFontSize,
+                fontWeight: FontWeight.w800,
               ),
+              textAlign: TextAlign.center,
+            ),
           ),
-        ]
+        ],
       );
     }
 
@@ -60,14 +59,15 @@ class Cell {
       child: GestureDetector(
         child: Image(
           image: AssetImage(imageAsset),
-          fit: BoxFit.fill
+          fit: BoxFit.fill,
         ),
         onTap: () {
-          if (!myProvider.animationInProgress && myProvider.getFirstCellValue() != this.value) {
+          if (!myProvider.animationInProgress &&
+              myProvider.getFirstCellValue() != this.value) {
             BoardUtils.fillBoardFromFirstCell(myProvider, this.value);
           }
         },
-      )
+      ),
     );
   }
 
@@ -75,5 +75,4 @@ class Cell {
     int cellValue = this.value;
     return 'assets/skins/' + myProvider.parameterSkin + '_' + cellValue.toString() + '.png';
   }
-
 }
diff --git a/lib/layout/board.dart b/lib/layout/board.dart
index f8ae151b9887f8cdcae8c4f08fdde0e11106e248..a6aee3016744d56ad71f571e51eb92446669037a 100644
--- a/lib/layout/board.dart
+++ b/lib/layout/board.dart
@@ -1,9 +1,7 @@
+import 'package:colors/provider/data.dart';
 import 'package:flutter/material.dart';
 
-import '../provider/data.dart';
-
 class Board {
-
   static Container buildGameBoard(Data myProvider) {
     return Container(
       margin: EdgeInsets.all(4),
@@ -24,18 +22,17 @@ class Board {
       defaultColumnWidth: IntrinsicColumnWidth(),
       children: [
         for (var row = 0; row < boardSize; row++)
-          TableRow(children: [
-            for (var col = 0; col < boardSize; col++)
-              Column(children: [
-                cells[row][col].widget(
-                  myProvider,
-                  row,
-                  col
-                )
-              ]),
-          ]),
-      ]
+          TableRow(
+            children: [
+              for (var col = 0; col < boardSize; col++)
+                Column(
+                  children: [
+                    cells[row][col].widget(myProvider, row, col),
+                  ],
+                ),
+            ],
+          ),
+      ],
     );
   }
-
 }
diff --git a/lib/layout/game.dart b/lib/layout/game.dart
index 1fd8e22ca39fc2624d60e5e7b31dee5813924fb6..6ceeaf6006b62e06148ad853d26d14fa252dfa09 100644
--- a/lib/layout/game.dart
+++ b/lib/layout/game.dart
@@ -1,14 +1,10 @@
-import 'dart:math';
-
+import 'package:colors/entities/cell.dart';
+import 'package:colors/layout/board.dart';
+import 'package:colors/provider/data.dart';
+import 'package:colors/utils/game_utils.dart';
 import 'package:flutter/material.dart';
 
-import '../entities/cell.dart';
-import '../layout/board.dart';
-import '../provider/data.dart';
-import '../utils/game_utils.dart';
-
 class Game {
-
   static Container buildGameWidget(Data myProvider) {
     bool gameIsFinished = myProvider.isGameFinished();
 
@@ -26,8 +22,8 @@ class Game {
           SizedBox(height: 2),
           Container(
             child: gameIsFinished
-              ? Game.buildEndGameMessage(myProvider)
-              : Game.buildSelectColorBar(myProvider),
+                ? Game.buildEndGameMessage(myProvider)
+                : Game.buildSelectColorBar(myProvider),
           ),
         ],
       ),
@@ -35,7 +31,8 @@ class Game {
   }
 
   static Widget buildTopIndicatorWidget(Data myProvider) {
-    String progressIndicator = myProvider.progress.toString() + '/' + myProvider.progressTotal.toString();
+    String progressIndicator =
+        myProvider.progress.toString() + '/' + myProvider.progressTotal.toString();
 
     if (myProvider.movesCount > 0) {
       progressIndicator += ' (+' + myProvider.progressDelta.toString() + ')';
@@ -68,7 +65,7 @@ class Game {
                     color: maxMovesCountColor,
                   ),
                 ),
-              ]
+              ],
             ),
             Column(
               children: [
@@ -80,7 +77,7 @@ class Game {
                     color: Colors.green,
                   ),
                 ),
-              ]
+              ],
             ),
           ],
         ),
@@ -89,38 +86,31 @@ class Game {
   }
 
   static Container buildSelectColorBar(Data myProvider) {
-    List cells = myProvider.cells;
-
     int maxValue = myProvider.colorsCount;
 
     return Container(
       margin: EdgeInsets.all(2),
       padding: EdgeInsets.all(2),
-
       child: Table(
         defaultColumnWidth: IntrinsicColumnWidth(),
         children: [
           TableRow(
             children: [
-              for (
-                int value = 1;
-                value <= maxValue;
-                value++
-              )
+              for (int value = 1; value <= maxValue; value++)
                 Column(
                   children: [
-                    Cell(value).widgetFillBoardWithColor(myProvider)
-                  ]
+                    Cell(value).widgetFillBoardWithColor(myProvider),
+                  ],
                 ),
-            ]
+            ],
           ),
-        ]
+        ],
       ),
     );
   }
 
-  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'),
@@ -141,26 +131,30 @@ class Game {
 
     Image decorationImage = Image(
       image: AssetImage(decorationImageAssetName),
-      fit: BoxFit.fill
+      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: [ buildRestartGameButton(myProvider) ]),
-              Column(children: [ decorationImage ]),
+              Column(
+                children: [decorationImage],
+              ),
+              Column(
+                children: [buildRestartGameButton(myProvider)],
+              ),
+              Column(
+                children: [decorationImage],
+              ),
             ],
           ),
-        ]
-      )
+        ],
+      ),
     );
   }
-
 }
diff --git a/lib/layout/parameters.dart b/lib/layout/parameters.dart
index 30b9665db705c13e78444237e5b5dc94a181a7b9..d1bbd6c481bee09a38729fd717c283fc8e1ccc46 100644
--- a/lib/layout/parameters.dart
+++ b/lib/layout/parameters.dart
@@ -1,28 +1,45 @@
+import 'package:colors/provider/data.dart';
+import 'package:colors/utils/game_utils.dart';
 import 'package:flutter/material.dart';
 
-import '../provider/data.dart';
-import '../utils/game_utils.dart';
-
 class Parameters {
+  static double separatorHeight = 2.0;
+  static double blockMargin = 8.0;
+  static double blockPadding = 3.0;
+  static Color buttonBackgroundColor = Colors.white;
+  static Color buttonBorderColorActive = Colors.blue;
+  static Color buttonBorderColorInactive = Colors.white;
+  static double buttonBorderWidth = 8.0;
+  static double buttonBorderRadius = 6.0;
+  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(Parameters.buildParameterSelector(myProvider, parameters[index]));
+      lines.add(SizedBox(height: Parameters.separatorHeight));
+    }
+
     return Container(
-      padding: EdgeInsets.all(2),
-      margin: EdgeInsets.all(2),
       child: Column(
-        mainAxisSize: MainAxisSize.min,
-        mainAxisAlignment: MainAxisAlignment.center,
+        mainAxisAlignment: MainAxisAlignment.start,
+        crossAxisAlignment: CrossAxisAlignment.center,
         children: [
-          Parameters.buildParameterSelector(myProvider, 'level'),
-          SizedBox(height: 5),
-          Parameters.buildParameterSelector(myProvider, 'size'),
-          SizedBox(height: 5),
-          Parameters.buildParameterSelector(myProvider, 'colors'),
-          SizedBox(height: 5),
-          Parameters.buildParameterSelector(myProvider, 'skin'),
-          SizedBox(height: 5),
-
-          Parameters.buildStartGameButton(myProvider),
+          SizedBox(height: Parameters.separatorHeight),
+          Expanded(
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: lines,
+            ),
+          ),
+          SizedBox(height: Parameters.separatorHeight),
+          Container(
+            child: Parameters.buildStartGameButton(myProvider),
+          ),
         ],
       ),
     );
@@ -33,15 +50,14 @@ class Parameters {
       children: [
         Image(
           image: AssetImage('assets/icons/game_win.png'),
-          fit: BoxFit.fill
+          fit: BoxFit.fill,
         ),
-      ]
+      ],
     );
 
     return Container(
-      margin: EdgeInsets.all(2),
-      padding: EdgeInsets.all(2),
-
+      margin: EdgeInsets.all(Parameters.blockMargin),
+      padding: EdgeInsets.all(Parameters.blockPadding),
       child: Table(
         defaultColumnWidth: IntrinsicColumnWidth(),
         children: [
@@ -50,7 +66,7 @@ class Parameters {
               decorationImage,
               Column(
                 children: [
-                  FlatButton(
+                  TextButton(
                     child: Container(
                       child: Image(
                         image: AssetImage('assets/icons/button_start.png'),
@@ -59,13 +75,13 @@ class Parameters {
                     ),
                     onPressed: () => GameUtils.startGame(myProvider),
                   ),
-                ]
+                ],
               ),
               decorationImage,
             ],
           ),
-        ]
-      )
+        ],
+      ),
     );
   }
 
@@ -73,7 +89,7 @@ class Parameters {
     List availableValues = myProvider.getParameterAvailableValues(parameterCode);
 
     if (availableValues.length == 1) {
-      return SizedBox(height: 1);
+      return SizedBox(height: 0.0);
     }
 
     return Table(
@@ -85,7 +101,7 @@ class Parameters {
               Column(
                 children: [
                   _buildParameterButton(myProvider, parameterCode, availableValues[index])
-                ]
+                ],
               ),
           ],
         ),
@@ -93,7 +109,8 @@ class Parameters {
     );
   }
 
-  static TextButton _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);
@@ -101,13 +118,16 @@ class Parameters {
 
     return TextButton(
       child: Container(
-        padding: EdgeInsets.all(2),
+        margin: EdgeInsets.all(Parameters.buttonMargin),
+        padding: EdgeInsets.all(Parameters.buttonPadding),
         decoration: BoxDecoration(
-          color: Colors.white,
-          borderRadius: BorderRadius.circular(10),
+          color: Parameters.buttonBackgroundColor,
+          borderRadius: BorderRadius.circular(Parameters.buttonBorderRadius),
           border: Border.all(
-            color: isActive ? Colors.blue : Colors.white,
-            width: 10,
+            color: isActive
+                ? Parameters.buttonBorderColorActive
+                : Parameters.buttonBorderColorInactive,
+            width: Parameters.buttonBorderWidth,
           ),
         ),
         child: Image(
@@ -118,5 +138,4 @@ class Parameters {
       onPressed: () => myProvider.setParameterValue(parameterCode, parameterValue),
     );
   }
-
 }
diff --git a/lib/main.dart b/lib/main.dart
index 7f448662ed2c1ea856492d67bacbf56f62d81c3a..f1cbde49ed171cd24aa4f396a79d86c542f78857 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,11 +1,10 @@
+import 'package:colors/provider/data.dart';
+import 'package:colors/screens/home.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.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])
@@ -17,21 +16,23 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return ChangeNotifierProvider(
       create: (BuildContext context) => Data(),
-      child: Consumer<Data>(builder: (context, data, child) {
-        return OverlaySupport(
-          child: MaterialApp(
-            debugShowCheckedModeBanner: false,
-            theme: ThemeData(
-              primaryColor: Colors.blue,
-              visualDensity: VisualDensity.adaptivePlatformDensity,
+      child: Consumer<Data>(
+        builder: (context, data, child) {
+          return OverlaySupport(
+            child: MaterialApp(
+              debugShowCheckedModeBanner: false,
+              theme: ThemeData(
+                primaryColor: Colors.blue,
+                visualDensity: VisualDensity.adaptivePlatformDensity,
+              ),
+              home: Home(),
+              routes: {
+                Home.id: (context) => Home(),
+              },
             ),
-            home: Home(),
-            routes: {
-              Home.id: (context) => Home(),
-            },
-          ),
-        );
-      }),
+          );
+        },
+      ),
     );
   }
 }
diff --git a/lib/provider/data.dart b/lib/provider/data.dart
index bc47c16cfee36cfee43837a0d67157223f88d71a..ddd226500e6d98f266654ea7074b80118c337f65 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', 'colors', 'skin'];
+  List get availableParameters => _availableParameters;
 
   // Configuration available values
   List _availableLevelValues = ['easy', 'medium', 'hard', 'nightmare'];
@@ -44,64 +47,94 @@ class Data extends ChangeNotifier {
   int _progressTotal = 0;
   int _progressDelta = 0;
 
-
   void updateParameterLevel(String parameterLevel) {
     _parameterLevel = parameterLevel;
     notifyListeners();
   }
+
   void updateParameterSize(String parameterSize) {
     _parameterSize = parameterSize;
     updateBoardSize(getBoardSizeFromParameter(parameterSize));
     notifyListeners();
   }
+
   void updateParameterColors(String parameterColors) {
     _parameterColors = parameterColors;
     updateColorsCount(getColorsCountFromParameter(parameterColors));
     notifyListeners();
   }
+
   void updateParameterSkin(String parameterSkin) {
     _parameterSkin = parameterSkin;
     notifyListeners();
   }
 
-  getParameterValue(String parameterCode) {
-    switch(parameterCode) {
-      case 'level': { return _parameterLevel; }
-      break;
-      case 'size': { return _parameterSize; }
-      break;
-      case 'colors': { return _parameterColors; }
-      break;
-      case 'skin': { return _parameterSkin; }
-      break;
+  String getParameterValue(String parameterCode) {
+    switch (parameterCode) {
+      case 'level':
+        {
+          return _parameterLevel;
+        }
+      case 'size':
+        {
+          return _parameterSize;
+        }
+      case 'colors':
+        {
+          return _parameterColors;
+        }
+      case 'skin':
+        {
+          return _parameterSkin;
+        }
     }
     return '';
   }
 
   List getParameterAvailableValues(String parameterCode) {
-    switch(parameterCode) {
-      case 'level': { return _availableLevelValues; }
-      break;
-      case 'size': { return _availableSizeValues; }
-      break;
-      case 'colors': { return _availableColorsValues; }
-      break;
-      case 'skin': { return _availableSkinValues; }
-      break;
+    switch (parameterCode) {
+      case 'level':
+        {
+          return _availableLevelValues;
+        }
+      case 'size':
+        {
+          return _availableSizeValues;
+        }
+      case 'colors':
+        {
+          return _availableColorsValues;
+        }
+      case 'skin':
+        {
+          return _availableSkinValues;
+        }
     }
     return [];
   }
 
-  setParameterValue(String parameterCode, String parameterValue) async {
-    switch(parameterCode) {
-      case 'level': { updateParameterLevel(parameterValue); }
-      break;
-      case 'size': { updateParameterSize(parameterValue); }
-      break;
-      case 'colors': { updateParameterColors(parameterValue); }
-      break;
-      case 'skin': { updateParameterSkin(parameterValue); }
-      break;
+  void setParameterValue(String parameterCode, String parameterValue) async {
+    switch (parameterCode) {
+      case 'level':
+        {
+          updateParameterLevel(parameterValue);
+        }
+        break;
+      case 'size':
+        {
+          updateParameterSize(parameterValue);
+        }
+        break;
+      case 'colors':
+        {
+          updateParameterColors(parameterValue);
+        }
+        break;
+      case 'skin':
+        {
+          updateParameterSkin(parameterValue);
+        }
+        break;
     }
     final prefs = await SharedPreferences.getInstance();
     prefs.setString(parameterCode, parameterValue);
@@ -116,43 +149,67 @@ class Data extends ChangeNotifier {
   }
 
   int getBoardSizeFromParameter(String parameterSize) {
-    switch(parameterSize) {
-      case 'small': { return 6; }
-      break;
-      case 'medium': { return 10; }
-      break;
-      case 'large': { return 14; }
-      break;
-      case 'extra': { return 20; }
-      break;
+    switch (parameterSize) {
+      case 'small':
+        {
+          return 6;
+        }
+      case 'medium':
+        {
+          return 10;
+        }
+      case 'large':
+        {
+          return 14;
+        }
+      case 'extra':
+        {
+          return 20;
+        }
     }
     return getBoardSizeFromParameter(_parameterSizeDefault);
   }
 
   int getColorsCountFromParameter(String parameterColors) {
-    switch(parameterColors) {
-      case '5': { return 5; }
-      break;
-      case '6': { return 6; }
-      break;
-      case '7': { return 7; }
-      break;
-      case '8': { return 8; }
-      break;
+    switch (parameterColors) {
+      case '5':
+        {
+          return 5;
+        }
+      case '6':
+        {
+          return 6;
+        }
+      case '7':
+        {
+          return 7;
+        }
+      case '8':
+        {
+          return 8;
+        }
     }
     return getColorsCountFromParameter(_parameterColorsDefault);
   }
 
   int getMovesCountLimitDeltaFromLevelParameter(String parameterLevel) {
-    switch(parameterLevel) {
-      case 'easy': { return 5; }
-      break;
-      case 'medium': { return 3; }
-      break;
-      case 'hard': { return 1; }
-      break;
-      case 'nightmare': { return -1; }
-      break;
+    switch (parameterLevel) {
+      case 'easy':
+        {
+          return 5;
+        }
+      case 'medium':
+        {
+          return 3;
+        }
+      case 'hard':
+        {
+          return 1;
+        }
+      case 'nightmare':
+        {
+          return -1;
+        }
     }
     return getMovesCountLimitDeltaFromLevelParameter(_parameterLevelDefault);
   }
@@ -188,6 +245,7 @@ class Data extends ChangeNotifier {
     _movesCount = movesCount;
     notifyListeners();
   }
+
   void incrementMovesCount() {
     updateMovesCount(movesCount + 1);
   }
@@ -204,10 +262,12 @@ class Data extends ChangeNotifier {
     _progress = progress;
     notifyListeners();
   }
+
   void updateProgressTotal(int progressTotal) {
     _progressTotal = progressTotal;
     notifyListeners();
   }
+
   void updateProgressDelta(int progressDelta) {
     _progressDelta = progressDelta;
     notifyListeners();
@@ -243,5 +303,4 @@ class Data extends ChangeNotifier {
     _progress = 0;
     notifyListeners();
   }
-
 }
diff --git a/lib/screens/home.dart b/lib/screens/home.dart
index 1381d16b440973da96a90597717c719d2a262b58..dfcc4710b0f124072f1817ad6520eb26ae785819 100644
--- a/lib/screens/home.dart
+++ b/lib/screens/home.dart
@@ -1,11 +1,10 @@
+import 'package:colors/layout/game.dart';
+import 'package:colors/layout/parameters.dart';
+import 'package:colors/provider/data.dart';
+import 'package:colors/utils/game_utils.dart';
 import 'package:flutter/material.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';
+import 'package:provider/provider.dart';
 
 class Home extends StatefulWidget {
   static const String id = 'home';
@@ -31,7 +30,7 @@ class _HomeState extends State<Home> {
 
     if (myProvider.gameIsRunning) {
       menuActions = [
-        FlatButton(
+        TextButton(
           child: Container(
             decoration: BoxDecoration(
               borderRadius: BorderRadius.circular(4),
@@ -43,7 +42,7 @@ class _HomeState extends State<Home> {
             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...'),
@@ -59,10 +58,10 @@ 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_utils.dart b/lib/utils/board_utils.dart
index 85aab4022dbf834faf2973074995eb843bddc649..90e2900bfa55c258d0fb30a12dc41d38e6385447 100644
--- a/lib/utils/board_utils.dart
+++ b/lib/utils/board_utils.dart
@@ -1,11 +1,10 @@
 import 'dart:math';
 import 'dart:async';
 
-import '../entities/cell.dart';
-import '../provider/data.dart';
+import 'package:colors/entities/cell.dart';
+import 'package:colors/provider/data.dart';
 
 class BoardUtils {
-
   static printGrid(List cells) {
     String stringValues = '012345678';
     print('');
@@ -42,7 +41,9 @@ class BoardUtils {
     myProvider.updateCells(grid);
     myProvider.updateMaxMovesCount(computeMaxMovesCountLimit(myProvider));
 
-    int initProgress = BoardUtils.getSiblingFillableCells(myProvider, 0, 0, [[0, 0]]).length;
+    int initProgress = BoardUtils.getSiblingFillableCells(myProvider, 0, 0, [
+      [0, 0]
+    ]).length;
     myProvider.updateProgress(initProgress);
   }
 
@@ -51,32 +52,38 @@ class BoardUtils {
     int colorsCount = myProvider.colorsCount;
 
     int baseMaxMovesCount = (30 * (boardSize * colorsCount) / (17 * 6)).round();
-    int deltaFromLevel = myProvider.getMovesCountLimitDeltaFromLevelParameter(myProvider.parameterLevel);
+    int deltaFromLevel =
+        myProvider.getMovesCountLimitDeltaFromLevelParameter(myProvider.parameterLevel);
 
     return baseMaxMovesCount + deltaFromLevel;
   }
 
   static fillBoardFromFirstCell(Data myProvider, int value) {
-    List cellsToFill = BoardUtils.getSiblingFillableCells(myProvider, 0, 0, [[0, 0]]);
+    List cellsToFill = BoardUtils.getSiblingFillableCells(myProvider, 0, 0, [
+      [0, 0]
+    ]);
     int progressBeforeMove = cellsToFill.length;
 
     // Sort cells from the closest to the furthest, relatively to the top left corner
-    cellsToFill.sort((a, b) => (pow(a[0], 2) + pow(a[1], 2)).compareTo(pow(b[0], 2) + pow(b[1], 2)));
+    cellsToFill
+        .sort((a, b) => (pow(a[0], 2) + pow(a[1], 2)).compareTo(pow(b[0], 2) + pow(b[1], 2)));
 
-    Timer _timerAnimateBoard;
     const interval = const Duration(milliseconds: 10);
     int cellIndex = 0;
     myProvider.updateAnimationInProgress(true);
-    _timerAnimateBoard = new Timer.periodic(
+    Timer.periodic(
       interval,
       (Timer timer) {
         if (cellIndex < cellsToFill.length) {
-          myProvider.updateCellValue(cellsToFill[cellIndex][1], cellsToFill[cellIndex][0], value);
+          myProvider.updateCellValue(
+              cellsToFill[cellIndex][1], cellsToFill[cellIndex][0], value);
           cellIndex++;
         } else {
           timer.cancel();
 
-          int progressAfterMove = BoardUtils.getSiblingFillableCells(myProvider, 0, 0, [[0, 0]]).length;
+          int progressAfterMove = BoardUtils.getSiblingFillableCells(myProvider, 0, 0, [
+            [0, 0]
+          ]).length;
           int progressDelta = progressAfterMove - progressBeforeMove;
           myProvider.updateProgressDelta(progressDelta);
           myProvider.updateProgress(progressAfterMove);
@@ -107,25 +114,20 @@ class BoardUtils {
           int candidateRow = row + deltaRow;
           int candidateCol = col + deltaCol;
 
-          if (
-            (candidateRow >= 0 && candidateRow < boardSize)
-            &&
-            (candidateCol >= 0 && candidateCol < boardSize)
-          ) {
+          if ((candidateRow >= 0 && candidateRow < boardSize) &&
+              (candidateCol >= 0 && candidateCol < boardSize)) {
             if (cells[candidateRow][candidateCol].value == referenceValue) {
               bool alreadyFound = false;
               for (var index = 0; index < siblingCells.length; index++) {
-                if (
-                  (siblingCells[index][0] == candidateRow)
-                  &&
-                  (siblingCells[index][1] == candidateCol)
-                ) {
+                if ((siblingCells[index][0] == candidateRow) &&
+                    (siblingCells[index][1] == candidateCol)) {
                   alreadyFound = true;
                 }
               }
               if (!alreadyFound) {
                 siblingCells.add([candidateRow, candidateCol]);
-                siblingCells = getSiblingFillableCells(myProvider, candidateRow, candidateCol, siblingCells);
+                siblingCells = getSiblingFillableCells(
+                    myProvider, candidateRow, candidateCol, siblingCells);
               }
             }
           }
@@ -155,5 +157,4 @@ class BoardUtils {
 
     return true;
   }
-
 }
diff --git a/lib/utils/game_utils.dart b/lib/utils/game_utils.dart
index b9eb78000c006e3be0afca72526db1a012784e29..f55b85217226913e1fe0d6a903d740b2bedcbbe8 100644
--- a/lib/utils/game_utils.dart
+++ b/lib/utils/game_utils.dart
@@ -1,8 +1,7 @@
-import '../provider/data.dart';
-import '../utils/board_utils.dart';
+import 'package:colors/provider/data.dart';
+import 'package:colors/utils/board_utils.dart';
 
 class GameUtils {
-
   static Future<void> resetGame(Data myProvider) async {
     myProvider.updateGameIsRunning(false);
   }
@@ -17,5 +16,4 @@ class GameUtils {
 
     myProvider.updateGameIsRunning(true);
   }
-
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index c16bdce6d4a9d525c68d051b2a5ca97cd4baefa9..00c90a89ed93f3ced621e25712d042b503efc500 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
-name: calculus
-description: calculus application
+name: colors
+description: colors application
 publish_to: 'none'
 version: 1.0.0+1