No they don't. You do use Actual cash (Credit Card) to purchase what they do use and not something you earn though playing a game.
yes you can
No they are different Playstation stores in each region and you must be part of that region with your address to use that store
The only add ons you can use are the ones you won or purchased from the Playstation Store. You can not purchase from a Playstation Store in a Different region
I am not sure but i do not think that you can :S
Why would you think you could get Playstation games unless you can use the Playstation store on the tablet
You don't hack a Playstation Store if you want to stay out of jail. It is very illegal to try to steal from an online store and a federal offense to use the internet to steal
it already came out if you use playstation network you can buy it from playstation store and yes it is for ps3
Even free downloads are purchased from the Playstation Store even though the cost is zero. You need a Playstation Network account to use the Playstation Store. The free downloads are more than just demos
Yes make sure you transfer everything on to a memory chip. Ps if u want the the games that, that person bought on the playstation store just use their account on the other playstation and you can download it free via the online playstation store.
Games and applications for the PlayStation Vita are not compatible with the PlayStation Portable.
Playstation Network Cards are not free and do not use virtual money but actual money
You can only use the Playstation Store for your area based on your home address in the Playstation Network Master Account