Fruit: Earns you points when sliced.

Bomb: Does different things in different games, but all bombs (except if you're using the Spirit Bomb Smoothie) have bad consequences.

Frozen banana: Allows you to slow down gameplay for a period of time.

Blue banana: Doubles your score for a period of time.

Red banana: Starts a fruit frenzy.

Smoothies: Unlockables which help you gain a higher score.