RetroArch has these 2 packages as dependencies:retroarch-assets: http://mentors.debian.net/package/retroarch-assets (icons for the menu drivers, like XMB)
libretro-core-info: http://mentors.debian.net/package/libretro-core-info (has useful info about authors, license, supported extensions, firmware)
There are some packages for libretro cores: Game Boy [Color]: http://mentors.debian.net/package/libretro-gambatteGame Boy Advance: http://mentors.debian.net/package/mgba (it's already in the NEW queue)
Nintendo DS: http://mentors.debian.net/package/libretro-desmumeGenesis and other Sega consoles/handhelds: http://mentors.debian.net/package/genesisplusgx
NEC PC Engine / TurboGrafx: http://mentors.debian.net/package/libretro-beetle-pce-fast
PlayStation: http://mentors.debian.net/package/libretro-beetle-psx Nintendo 64: http://mentors.debian.net/package/libretro-mupen64plus SNES: http://mentors.debian.net/package/libretro-bsnes-mercury SNES: http://mentors.debian.net/package/snes9x Sergio Benjamim
