I know where to find game emulators that run directly on your computer, but I'm not sure if that's what you mean?... Anywho, check out this website: http://www.doperoms.com/emulators/ They have all sorts of emulators, it's amazing. Just find the one you need and download it!
you can find ds emulators and game files on coolrom.com
Emulators are different that the games themselves. I find that BGB and Visualboy Advance are the best emulators. BGB is for the original Gameboy, Gameboy color, and the super Gameboy. Visualboy Advance will also emulate the Gameboy Advance. What you are looking for is the ROM. Emulators run (play) the ROMs. You must own the original game to legally download a ROM.
you always have emulators, but that is it.
No, emulators are not dangerous. Emulators just help you to play games on your computer. They don't do any harm to your computer at all.
well all emulators go into the game folder on your memory card if that's what your asking
any DS emulators you can find
Videe game emulators are 100% legal as long as you own the game's hard copy. So if you own Megaman 7 hard copy, it's legal to have the ROM.
You cam only trade Pokemon in emulators to another emulator. If you are trying to trade a Pokemon from the emulator to your actual game you can't
I don't know if you can download them but you can find the gameshark(c) codes and imput them manualy. Check what codes you can use on it.
Emulators are very complex and each model is different (even for the same emulated game system). Try going to the original site of the emulator for help operating them; usually, it just takes practice to use emulators proficiently.
Multiple depending on which software