WiiMednafen v0.0 is Raz0red's port of the Mednafen multi-emulator.� WiiMednafen v0.0 supports many emulators such as GameBoy/GameBoy Color, GameBoy Advance, Game Gear, Lynx, Nintendo Entertainment System (NES) and Neo Geo Pocket.� You can see a full list of the supported emulators on the download page. � Supports the following emulators PC Engine (CD)/TurboGrafx 16 (CD)/SuperGrafx (Fast version) PC-FX Sega Master System Virtual Boy WonderSwan GameBoy/GameBoy Color GameBoy Advance Game Gear Lynx Nintendo Entertainment System (NES) Neo Geo Pocket Raz0red also mentions that "it should be noted that the Virtual Boy emulation included with this emulator is much improved over WiirtualBoy. Most games now run at 100% speed without frame skipping. These improvements are due entirely to Ryphecha (Mednafen) who optimized the core emulation code in addition to eliminating idle loops on a per game basis." � Source Official Site