If you have the full ISO and want to shrink it to save space: PSP Cult - How to add games to your CFW PSP
Pro tip: Use a .cso that was properly compressed from a clean ISO. Avoid .exe disguised as PSP games. the godfather psp highly compressed
Released in 2006, The Godfather on PSP wasn't just a lazy port. It featured: If you have the full ISO and want