GnuBoy4D for Dingux is a Gameboy and Gameboy Color emulator based upon GnuBoy.
Changes:
-bugfixes for save settings
-sound improved (if you use Scale2x -> use Frameskip … otherwise it’s too slow)
Plenty of Gameboy Color homebrew games can be found here at PDRoms, just browse around 🙂
http://crankgaming.blogspot.com/2010/08/gnuboy-4d-v12-released.html