Fill the box -Happy alway play app for iPhone and iPad

Game rules
"1. each cube has two states, that is, the free state (white box) and the occupied state (color block). n2. initial state is free state, when the box is clicked, then the current state of the block will become opposite state, namely: color change. n3. also changes the square state of the adjacent squares (not including the diagonal adjacent blocks), and the game ends when all the cubes become occupied states. n4. as much as possible to challenge the game difficulty of more orders ~ ";