You can play the game called Mahjon-Black-White-2-Untimed without time limitation. You goal in the game is to clear the board. Match a white Mahjong stone with the same black tile to remove them from the board. The shuffle and hints button are helpful for you to clear the board. There are four layouts for you to choose in the menu. Or you can play continually level by level. Sounds great! Come on and enjoy playing the game!