kxmame
A KDE frontend for xmame emulator
Based on (and fully compatible with) gxmame plus some additional features:
1. Customizable game icon size.
2. Auto-rescale screenshots (version 1.1 and above).
3. Customizable toolbar.
4. Fast, responsive compared to gxmame.
Homepage: http://kde-apps.org/content/show.php?content=28270