pspshrink: pspshrink (ISO compressor for PSP games) pspshrink: pspshrink: pspshrink is a GUI for convert PSP game images into a .cso format. pspshrink: pspshrink: Home page: https://code.google.com/p/pspshrink/ pspshrink: pspshrink: pspshrink: pspshrink: pspshrink: pspshrink: