First save the file the you want onto your pc
Next go into the compressed file and right click on the file inside
once you have right clicked press copy and then pug up your psp to ur computer using a usb cord
click open folder to view files and click on psp and then click on save data or whatever once in there right click again and press paste.
now just unplug everything and play your game
you should see a new save file....it will have everything the description had on gamefaqs
email me your results and if you are satisfied