Merge branch '10-add-sound' into 'master'

Resolve "Add sound"

Closes #10

See merge request !13

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.12
-app.versionCode=12
+app.versionName=0.0.13
+app.versionCode=13