DWedit has updated Flubbas Goomba emulator (which is a Gameboy and Now Gameboy Colour emulator for the GB Micro/GBA and also works on Nintendo DS and Gamecube Gameboy Player, heres the info:
No longer shows colored solid tiles when the screen should be off
Fixed off-by-one scanline problems introduced in alpha 1.
Now you can specify whether you want to emulate a GB, GBC, or GBA
Added double speed mode, either timers only or complete
Fixed splash screen corrupting graphics
Go Multiboot feature for smaller GB roms (and a couple tiny GBC games too)
Major changes to SRAM save system
Added 32k saves, Enter the menu with L+R to save the game's sram
Stack writes to SRAM are now saved
Save files smaller in pogoshell
Some changes merged from Kuwanger's version
Palette changes apply immediatly