You need to dump your own legally owned UMD copies of the real Shin Budokai games to ISO/CSO files. PPSSPP itself does not provide games—it’s an emulator. Distributing copyrighted game files without permission is illegal in most regions.
What is often referred to as "Shin Budokai 9" is a of the original PSP games. These mods typically add characters and transformations from Dragon Ball Super (like Ultra Instinct or Gohan Beast) into the existing Shin Budokai engine. 0;16; Download Information 0;16; dragon ball z shin budokai 9 ppsspp file download link for