Officially, the Neo Geo X will get new games released on SD ... forum user [Lectoid] discovered the 20 preloaded games and the bios for the system, all completely unlocked and ready for hacking.

An open source replacement BIOS for testing your ROMs under you favorite emulator ... ngdevkit-examples shows how to use the devkit and how to program the Neo Geo hardware. It comes with a GnGeo ...