This page covers Mr. Heart's normal moves. His special and super moves are explained here.
Standing
A
B
C
D
Crouching
A
B
C
D
Air
A
B
C
Holding this button will make Mr. Heart float in the air, and if he lands without launching the attack, he will gain one hit of super armor that lasts until he gets hit or takes chip damage.
In general an alright air button as well just for its range.
D
Other
6A
Throw
BD Throw
Heavy Strike
Banishing Strike
