The .destkop file for both wx and gtk have a typo:
Comment=Nindendo GameBoy Advance Emulator
But should be:
Comment=Nintendo Game Boy Advance Emulator
Nintendo is spelt wrong and Game Boy Advance is missing a space (based on Nintendo's stylization).
See nintendo's website for reference (if needed):
http://www.nintendo.com/consumer/systems/other/index.jsp
Thanks!
Fixed in svn1390