the PS3 jailbreak allows you to install and run homebrew packages ( GeoHot provides test.pkg which is a splash screen ), but you can’t play backup games or pirated games.
PS3 jailbreak
Posted inHOWTO
HOW TO: Jailbreak Your Playstation 3 Using An iPhone or iPod Touch
We don’t know a lot about the subject, BUT since you are curious about it ( yeah, we read all emails even if we don’t always reply ) and it’s an iOS device involved, we decided to do a lil’ bit of research, and report what we found out. Hope this will help, or at least give you a head-start…