Chess app analytics for February 14

A well designed chess app with a lot of powerful features. Features: - Play as white or black, against the computer or a friend. - 10 difficulty levels, from novice to grandmaster. - Include more than 38000 chess puzzles, divided into 13 collections. - Support online gameplay. - Support LAN game via bluetooth/Wi-Fi. - Computer hint and unlimited undo for beginners. - Changeable chessboards and piece sets, 2D/3D piece styles. - Load and save games to PGN files. - Autosaving your current game. - Setup position, intelligent validity check. - Randomly go to any point in the current game. - Provide thousands of classic chess games to download, such as grandmaster games, world championship games. - Switch to play mode when in view mode, analyze the game, and then restore the view status. - More functions: handicap, view move list, automatic move playback, etc. - It is free!