Happy gaming! Keep those files small and your playtime long.
Use YACC (Yet Another CSO Compressor) on your own game ISOs. You can usually take a 150MB puzzle game and crush it down to 50MB yourself by setting the compression level to "9" and removing the update folder.
The PlayStation Portable (PSP) remains one of the most beloved handheld consoles of all time. With a library spanning thousands of hours of RPGs, action titles, and puzzle games, the system is a retro-gaming goldmine. However, storage space on memory sticks (or modern smartphones running PPSSPP) can be a problem.