Brain ball sort puzzle

Brain Sort Ball Puzzle stimulates the brain to improve concentration and relax the brain.
Use an empty tube to move all the balls together in the same color.

# Game features
- Convenient interface: One-finger control is also possible, and it supports two fingers (multi-touch) to easily move the ball to another tube. (It's not stuffy because there's no touch delay)
- No time limit: There is no time limit so you can think enough.
- Real-time shuffle: See the process of shuffle the ball and try moving in reverse order.
- Offline play: No internet required!
- SOS item: difficult? Try using the SOS item.
- Change-Ball Item: Use the Change-Ball item to solve the problem.
- Earn coins and use various fun themes.