You can make your attacks go Faster! Instead of pressing Medium (which is A) press Strong (which is L). For instance, to do Ryu fireball attack easily, you press Forward+B, instead of B, press R, Forward+R ,then it goes way faster than normal.
Press L, R, L, R, B, Select, R.
While playing a game, press Select + Start.
While fighting in a single player battle, press Up, Up, Down, Down, Left, Right,
Left, Right, B, A. Enter the code correctly, and you will hear a sound. This will
allows you to do special moves with easy movements. For example, while playing as
Ryu press Forward + Punch to shoot a Fireball, and the Fireball move now does the
Dragon punch. This makes the game much easier to play with the small D-pad. Press
Select to toggle "Easy special mode" either on or off.