Yes I think you can. I think the psp is universal because I brought a game in the USA and i got my psp in New Zealand and it works.
Yes you definitely can but the UMD movies are region coded and so if you bought a UMD from the UK and tried playing it on a American psp it would not work
No, while PSP games are region free, the UMD movies are not. A UK UMD movie will not play on a US PSP.
Yes, PSP games are not region locked, though PSP movies are.
yes
yes all psp games works on every psp
Yes.
i do know that you can play iso's of any region on a us psp slim. if that helps any http://www.myspace.com/yaboyface
Yes you can play those games on a US psp. The only difference is that you use the "O" button to exit to the home screen and to select ok.....And of course its in japanese.
As far as I know yes.
Yes. A game from ant country can play in a psp. its just the same as PS2
Yes but if there is a game for Japaneses and English you can save Japaneses games with Englishes data,all PSP can play PSP game Englishes or Japanese.PSP games are region free, any PSP game will work on any PSP.
Yes you can, the games are region free.
It does not have a UMD drive, but a selection of compatible PSP games can be bought for it from the PSN. The full PSP library is not currently available, though more games will be made compatible in the future.