Pickle released a test version of Lemonboy for the Wiz.

Quote:

Pickle has compiled a quick port to the Wiz GP2X latest version of Lemonboy, emulator for Game Boy Color and Game Boy. Includes all the functions of the GP2X version.
This is a test version with some errors, to carry out tests, which may have some bugs.

http://dl.openhandhelds.org/cgi-bin/wiz.cgi?0,0,0,0,1,119