From the author:
See Installation for Development Versions if you need help installing versions from launchpad.
Default1024x768
MAME
Sega Model 31024x768
PC Games
Arcade Custom1920x1080
Sega Model 31920x1080
Default1920x1080
Gameboy Advance1920x1080
MAME1920x1080
Nintendo 641920x1080
Nintendo1920x1080
PC Games1920x1080
Playstation1920x1080
Sega Saturn1920x1080
Sega Megadrive1920x1080
Super Nintendo1920x1080