On June 26th FFI for the PSP will be released with a ESRB rating of E10+ and on July 24th FFII will be out for the PSP aswell with a rating of T.
Here's a like to a small site for it on the Square-Enix web site, but they will make a full site for these games soon.
http://na.square-enix.com/ffanniversary/
Enjoy and if you own a PSP then I guess you'll probably going to buy these games.