Super Mario Bros. Pocket Edition
Original title: Super Mario Bros.
Platform: Nintendo Entertainment System
Region: USA (Update Hacks)
Media: Cartridge
Controller: NES Gamepad
Genre: Platformer 
Gametype: Hack
Release Year: 2006
Hacked by: PocketNES Resource
Version: 1.0
_________________________
100% of graphics updated to look more like SMB3/SMW. There are no other changes, so you can mix and match this with level mods and other features.

http://www.romhacking.net/hacks/116/