Your all hoes
No. The 3DS does not have a slot for GBA Cartridges and therefore cannot play GBA games.
To play Pokemon games on computer you have to download a emulator I would recommend these: Desmume No$gba (not for gba games) and for playing gba games: Visual Boy Advance
Yes, there's a GBA Action Replay, GBA Xploder/Gameshark, as well as the Action Replay Max Duo which works on GBA games.
gba beacause it has abunch of mario,pokemon,and zelda games + you can play gbc and gb games on a gba console. ps i recomend gba sp :)
No, the GBA part of a DS is unable to use the DS' wireless capabilities, even for games that supported the use of the GBA wireless adaptor.
No, the Nintendo DSi does not have a second slot to play GBA games
yes but the gba game corups
No, GBA games can be played on the following: GBA, GBA SP (+), GBA Micro, DS (original), DS lite.
It's for keeping the GBA slot clean and dust-free.
In a DS you should be able to play GBA games in the slot that is underneath the DS. There is a cartridge slot for DS games and a cartridge slot for GBA games. This is the same with DS lite as well.
All Game Boy games (Original up to Advance) work in the GBA. GBA micro's do not work with them, and only work with GBA games.
download a Pokemon gba ROM and no$gba