FluBBa released a NeoGeo Pocket Color emulator for GBA.

Release notes:

New emulator! Woho! Well just like the Wonder Swan emulator this is really slow. It doesn’t support any kind of saving so some games won’t work correctly or at all. Other games have graphical glitches and are really slow. Some games doesn’t work and it’s really slow. It is indeed slow but there are a few things you can do to speed it up a little bit. You can turn off the Z80 for some games (experiment when to turn it on/off) and you can lower the clock of the TLCS-900 cpu.

*First release most things implemented except flash/save..

Thanks to http://www.1emulation.com for the news.