The Game Boy Advanced Flashcard is developed primarily for a Nintendo Game Boy. The size of these flash cards can range from 64 MB to 8 GB. With the use of an adapter, most of these cards can be used in PCs. If you are on the lookout for a GBA flashcard, you can visit your local gaming stores as well as a number of online sites. This, however, can be a waste of time especially since you can make use of an emulator in order to play Game Boy games on your PC. For more information about GBA flash cards, you can visit http://wiki.ask.com/Game_Boy_Advance_flash_cartridge.