was never officially released. Capcom explicitly felt the original DS hardware was insufficient for the game's requirements. The only official portable Nintendo version is , released for the Nintendo 3DS .
If you want to play Street Fighter 4 on a Nintendo handheld, the definitive version is for the Nintendo 3DS . Street Fighter 4 Nds Rom Download Fix
"You're looking for a shadow that isn't there," Leo whispered to the code. was never officially released