How to play:
1. Touch the area of the screen where you want to shoot.
2. Group 3 or more identical marbles together to clear them.
3. Swap the shooting marble by touching the marble emitter.
4. Achieve Chains by clearing marbles continuously using shooting.
5. Achieve Combos by clearing marbles continuously using attracting.
6. Achieve Gaps by clearing distant marbles using shooting.
7. Get a higher score by achieving Combos, Chains and Gaps as many as possible.