What does the patch do?
-New Title screen
-New thumbnail icon on XMB
-Menu's translated
-Music Editor mostly translated
-Romanji lyrics (japanese spelled with English letters)
-Watermark removed when you take screenshots in PV mode or in the Gallery

Usage:
You must first dump your legally owned copy of Hatsune Miku Project Diva for PSP.

Then just run the ppf-o-matic3.exe, Select your ISO and whatever patch you want, then click Apply.