abandonment of a project structure that provides AndroidStudio
setted screenOrientation to portrait
modified styles for buttons
added
1) player starts by random
2) showing who moves
added
1) Log helper
2) shared preferences helper
3) ability to change game type: PvP or PvA
added AI, stupid level
added displaying scores in current game session
added all difficulties
added Options window to set the game mode and the game difficulty
winOrBlockMove method modified for all fields
styled main activity layout
styled options activity
added effect as if android is thinking
fixed button.setBackground() for sdk version below 16
some modifications in strings
little optimization in AI.java
added russian localization
some modifications in AI for fields x4 and x5
added About window
added an image for the game scores