1.) There are exploits but not fully cracked. (Hopefully they fail on doing so). Apparently there have been a couple people that already know how to do this, but this information is strictly confidential, and obviously you're not trustworthy enough to have it.
2.) Where do you even get a game that's not released on PSN anyway? You a developer?
3.) Solution: Steal one if you don't want to spend money on it.
4.)IDK, I guess. Depends on where you are exactly.