It is a fun app. Here is a special game. You can get fun by doing puzzles. There are many levels. In each level, you have to complete a number of levels. This time, you have to get as many points as possible. Each level has different difficulties. You will get better at it, by playing it. You need to play more levels, by the way. 

In the next level, there will be more bubbles. That bubble can help you to get many points. The number of points will increase, with each level. The first one is easy, the second one is not so easy, and so on. So, don't be afraid, if you don't know how to play. You can learn, by playing this game.