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Hello @Minirise are you asking about the booster that is second from the right in the picture below?
If that is the booster you are asking about it is called the Party Popper Booster and it is one of the best when you want to clear a difficult board.
When you use this booster it works in a very similar manner to a Cake Bomb and a piñata appears on your screen. It then clears one layer from most blockers that are the board. After it has done that it then places a Striped and Wrapped candy on the board as well as Jelly Fish and Colour Bomb.
When it initially goes off it clears the board of any Striped/Wrapped/Colour Bombs that are already on the board.