You can't unless you take out the lock out chip in the NES console
just download .nes games on your computer and copy them in your MP5 download sites www.coolroms.com
Go to Nesbox.com, you can play most games from nes to super nes and a few more, without downloads. You just need an account to save your files. Requires good flash
NES2 U R saying is SNES, the SNES had better Graphics than the NES, the SNES had 3D games but it couldn't play NES games.
http://snesbox.com/ you can also play Nes games on there too.
http://www.virtualnes.com/
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It Is Possible But No Company Has Released An Adaptor To Allow You To Do This. There Are Many Dual Consoles Out There That Let You Play Both SNES And NES Games But None Of Them Are Perfect.
Basically a R4 card lets you play homebrew applications like a NES emulator which lets you play NES games.
The NES cannot play Nintendo 3DS games. (Obviously)
ghostbusters at the end you need to tap really fast turbo comes in handy
There is currently no legal way to do so. Although there is legal software to play the games, the copies of the games themselves, known as ROMs, are not made legally distributable by Nintendo or by most other companies who made games for the NES.