Sega Master System
Copyright Violation is displayed incorrectly - the text should be on top of the stars, but that VDP feature is as yet unsupported.
Sega Game Gear
Yes, Windows and DOOM were ported to the Game Gear. That second screenshot is DOOM's automap. [wink]
There are still lots of ROMs that won't go - that could be due to poor VDP emulation, or it could be due to ROM paging errors (the emulated memory is just straight 64KB RAM), or could be down to the remaining bugs in the Z80 emulation.
That's just obscene :)