You don't need anything other than an internet connection and a PSN account.
You need a PSN account before you can download games from the PSN.
Games that are downloaded without payment is piracy and the Playstation Network has exclusive rights to PSP Go download sales
The PSP games must be. The PS Vita games also are available without download
no!
no unless its of psp website or ps3 for free demos or buying them
Official PSP firmware does not allow converted PS1 games to be played.
You can download games for your PSP in PlayStation Network. It will be in the internet section of your psp if you have Official Firmware.
You can access the PSN from the PSP's menu, you can purchase games from there and download them to the PSP.
The Playstation Store is the exclusive authorized site to download PSP games
Yes, the PSP can connect to the PlayStation Network, where you can purchase and download games.
No you get PSP games on your PS3 at the PlayStation Store and then you move them to the PSP. The PSP will not play PS3 games, but the PS3 can download and store the PSP games and not play them