The following boosters are currently available in the game:

Shovel: this booster clears one cell without using a move. This booster is only available once you start playing a level.

Lawnmower: removes all the pieces in an entire row without using a move. This booster is only available once you start playing a level.

Rake: removes all pieces in an entire column without using a move. This booster is only available once you start playing a level.

Basket: removes all pieces of one color without using a move. This booster is only available once you start playing a level.