the psp`s game iso are easy to dump and play .
you need a 1gb memory stick
and you need Fastloader V0.6b and UMD DUMPER both PSP APPS
you put umd in psp load umd dumper and it will take like 4 hours
then put everithyng like this
[ put iso file here ]
then run fast loader and select iso it will tell you to insert any umd and bingo there you have it.