Data Transfer Bonuses? - Monster Hunter Portable 3rd - GameFAQs
To protect their save data, players can take several precautions:
You can move your save folder ( ULJM05800 ) directly between your PSP and your PS3 via USB. This allows you to hunt in high definition at home and continue the same progress on the go.
Found on your Memory Stick at PSP/SAVEDATA/ULJM05800/ .
Inside the save folder, the data is comprised of specific files: