Bubbles: hit and burst

彈出相同顏色的氣泡，不要讓氣泡脫離框架。

How to Play:

- Tap three or more adjacent bubble of the same color.

- The more bubble crush at once time, the higher score you get.

- As soon as you collect the required number of points, the level will be passed.

- If the bubble is outside the frame for more than 5 seconds, you will lose.