You can't trade Pokémon on GBA Pokémon games on a Nintendo DS, unfortunately. You'll need two Gameboy Advance/GBA SP with a Link Cable, or two Wireless Adaptors, in order to trade :/
The Nintendo 3DS does not have a GBA slot like the DS has. Thus, Pokémon Emerald cannot be played on a 3DS.
Yes you will be able to play Pokemon Black and White in the 3DS.
there is no such game on emerald
Your game, Pokemon HeartGold, might not play on your 3DS and DS Lite when the game was playable before because you have damaged the disk or cartridge.
The 3DS can play all DS games, including Pokemon Black/White.
yes
Yes you will be able to play Pokemon Black and White in the 3DS.
No. I have a DSi and I play it. But you can play it on a 3DS.
Pokemon Emerald version has not been announced as a 3DS ambassador program title as of August 3rd.
No. Pokemon Black 2 will be on the DS but you can still play it in 2D on the 3DS.
NO you can not play Pokemon emerald in Coloseum.
No, but they were released on the Nintendo DS. The 3DS will be able to play them.
you need a ds or a ds lite (not a dsi , dsixl or a 3ds) put emerald in tehe gba slot then turn on Pokemon soulsilver . in the menu, you will see a new option .touch it, then you will automattically be able to trade with your Pokemon emerald!
No. The 3DS does not have a slot for GBA Cartridges and therefore cannot play GBA games.
Pokemon Black and White are regular DS games, you do not need a 3DS to play them.
There are several Facebook groups that are specifically for people who play the Pokemon games on 3DS.
there is no such game on emerald
There are no working 3DS emulators at the moment.