Howtodothings
With the introduction of emulators and roms, it is possible to play classic games on just about any game console, including snes, nes, and sega classics on your sony psp.
http://www.howtodothings.com/hobbies/put-snes-nes-sega-and-other-classic-games-on-your-sony-psp
Classic Gaming
Classic Gaming
http://www.classic-gaming.net/applications/19
Classicgaming
Classicgaming.com -- the home of classic gaming on the net. a member of the gamespy network.
http://classicgaming.gamespy.com/View.php?view=consoleemulators.List&category_select_id=3
Derok
Derok
http://www.derok.net/emulation0/nes.html
Vikitech
Vikitech
http://www.vikitech.com/5929/play-classic-games-android-emulators
NESticle
NESticle
http://www.zophar.net/nesticle/