Buy speakers for it
No its not. The only portable game system that has a touch screen is the Nintendo ds.
No there is not enough harddrive space for the PSP and they might not have the capabilities to run the program even if stored on a PS3
yes there is a playststion store on the 3000 and also the 2000, and the pspgo
No, it does not. The Playstation Vita is a Portable Playstation with a touch screen that will be released beginning February 15 2012