NZHawk’s Awesome Peek Poker
source:
http://www.ps3hax.net/2010/10/nzhawks-awesome-peek-poker/
video:
http://www.youtube.com/watch?v=BDSjtnMtLUQ&feature=player_embedded
sounds interesting. Actually this isn't for games but it's still cool that a RAM viewer is out :)
This is somewhat related
http://jonr.neovanglist.net/?page_id=147 (http://jonr.neovanglist.net/?page_id=147)
I think there is a ram viewer for games though...I know there's some kind of cheat engine.