Nice. Thank you!

But this does not seem to work at all. :(
When I start a game the screen stays black and after a few seconds i am back in emulationstation.
I checked the runcommand.log for errors and got this:

RetroArch: rarch_log_libretro: [libretro INFO] :: [FBA] Archive: mslug
RetroArch: rarch_log_libretro: [libretro INFO] :: [FBA] Archive: neogeo
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 130 was not found … CRC: 0xc7f2fa45
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 132 was not found … CRC: 0x2723a5b5
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 134 was not found … CRC: 0xacede59c
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 135 was not found … CRC: 0x9fb0abe4
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 136 was not found … CRC: 0x03cc9f6a
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 137 was not found … CRC: 0xdff6d41f
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 138 was not found … CRC: 0x16d0c132
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 140 was not found … CRC: 0x698ebb7d
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 141 was not found … CRC: 0x162f0ebe
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 142 was not found … CRC: 0xa97c89a9
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 143 was not found … CRC: 0x27664eb5
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 144 was not found … CRC: 0x601720ae
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 145 was not found … CRC: 0x2d50996a
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 146 was not found … CRC: 0x8dabf76b
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 147 was not found … CRC: 0x0c12c2ad
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 148 was not found … CRC: 0xb24b44a0
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 149 was not found … CRC: 0x4fa698e9
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 150 was not found … CRC: 0xe19d3ce9
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 151 was not found … CRC: 0x5dda0d84
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 152 was not found … CRC: 0x0ce453a0
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 153 was not found … CRC: 0xcb915e76
RetroArch [ERROR] :: rarch_log_libretro :: [libretro ERROR] :: [FBA] ROM index 156 was not found … CRC: 0x94416d67
RetroArch [ERROR] :: load_content :: Failed to load content.

I have no idea what the problem is. ^^