All Gameboy Advance Roms Zip How Do Gameboy Advance And Nintendo Ds Roms Work?

How do gameboy advance and nintendo ds roms work? - all gameboy advance roms zip

Everything I know them, as far as piracy is that they are versions of the original game, or can be downloaded from the Internet, but play like u ur gameboy? I have GBA SP and Pokemon Emerald, and I want to finish the Pokédex and only way to know how emerald 386 rom or what and how to keep it in play and get my gameboy? Please help. Thank you.