go to www.pokemonranger.com
Get a GBA Emulator, try www.3roms.com and Download VisualBoy Advance, then get the ROM leafgreen
Yes, Cartoonnetwork.com
No. Only Nintendo DS GAMES can do that!
just Pokemon played on the internet but you can see all the other players too. it is fun, you should play it.
Just go to www.gbemul.com and scroll down to the list of games and under Gameboy games and there is Pokemon Red, Yellow, Silver, and Gold.
Some games can be played online, for example many of the Pokemon games can connect to the internet, to play against or trade with people all over the world.
While you can't play the actual games, there are Internet battling simulators such as Pokémon Showdown where you can battle against other users.
Just insert it into your DS, no downloading is needed, nor any kind of internet connectivity, unless you want to play online.
You can either play the pokemon online trading card game from pokemon.com or play the actual games from the systems. Do an online search for an emulator for the video game system you want and download it. You can then download the pokemon game you want for that system, and play it! If you need any more help with emulators search them on google or youtube.
You cannot download Pokemon from the internet onto your HeartGold version. You have to get them within the game. However, you can get Pokemon from your in-game PC in the Pokemon Center.
You can play multiplayer as long as you have internet. Internet cable or not.
with Internet connection
by looking on internet