数独プロ Sudoku Pro
195→0
https://play.google.com/store/apps/details?id=com.app.android.sudokupro&hl=ja

Analyze your Chess Pro
1050→660
https://play.google.com/store/apps/details?id=com.lucian.musca.chess.analyzeyourchess.pro&hl=ja

Fun Chess Puzzles Pro
820→350
https://play.google.com/store/apps/details?id=com.lucian.musca.chess.puzzle.pro