You have to drag the pieces to move them into the open space.
Drag the piece(s) with a smiley through the bottom opening to win the game.
With over 8 different levels (41 in the full version), test your patience and your
your logic.
This game is known by many names: Klotski, LÂne Rouge (in French) or the Red Donkey, Hua Rong Dao, Daughter in the box, Khun Chang Khun Phaen.
http://www.youtube.com/watch?v=qEgfjFQQgO4