ChessGenius, award winning chess program. The author's chess programs have won ten World Championships.

-Simple, elegant user interface
-Display of thinking
-Hint
-Tutor
-Full take back & forward
-Chess clocks
-Huge opening book & named openings
-Set up position
-Hundreds of playing levels including easy, blitz and tournament levels
-Database. Save / load games to PGN databases on SD card
-Copy and paste PGN games to clipboard
-and much more