Please add Robert Brogila's MD.EMU. A fantastic Genesis/SMS emu which he plans to make SEGA CD emu as well!
Also regarding Jarcade please mention that it works with many Sega classics like Outrun, Shinobi, Altered Beast etc and that it has finally been updated to work with Gingerbread. :-)
CyanogenMod7 / Escapist Kernel
1.6Ghz! / Voodoo sound & color / hsupa