What are emulators? What do they do? If I download PocketNestor where can I get the games to play them? Sorry if I sound dumb, just new to this!

Emulators mimic video game systems so you can play them on your pc.....or your pocket pc. Instead of having a cartridge, you have a file (a rom). If you download PocketNester, just do a search on google or whatever your preferred search engine for emulators or roms.

-Gabe