i changed some music and backgrounds, for example music of snes, i dont like start with zelda musc (for example) i feel it too noisy... so this is my custom list: PlayStation PC Engine PC Engine CD Super Grafx Scumm VM FBA Libreretro MAME NEOGEO Atari 2600 Atari 7800 Atari Lynx NEOGEO Pocket WonderSwan WonderSwan Color Doom Vectrex Cave Story MSX MSX2+ ODISSEY ² Super Nintendo Nintendo Nintendo 64 GameBoy Advance GameBoy Color Gameboy Nintendo Family Virtual Boy Game & Watch Sega Genesis Sega CD Sega Megadrive x32 Sega MasterSystem Game Gear Sega SG-1000 brother if you like some one change, take it, be free, i will upload a video soon (may be this week), i do not know how to take screenshots of that, may be i need a HDMI recorder case? how do you do? also the sound part is very very important in this case.