The operation is very simple, moving up and down, left and right, so that the same color of the square is combined to pick up, you can complete the challenge. Completely free and easy to use, many levels, exercise thinking.

main feature:

- Completely free: Built-in levels, completely free, and safe to use!
- Easy to use: easy to operate, move up and down, left and right, no threshold.
- Brain-burning puzzle: More than just entertainment, it can exercise logical thinking.
- Easy decompression: Anytime, anywhere, want to play!