Assuming you have legally obtained a PSP ISO file (from a game you own), here is how to run it on PPSSPP for maximum performance.
While it isn't an official port, these ISOs represent a time when fans worked tirelessly to bring the console experience to their handhelds. It remains one of the most downloaded "fan-made" versions in the PSP emulation community. Naruto Shippuden Ultimate Ninja Storm 2 Iso File Ppsspp
: The official game is available on Steam , PlayStation Store , and Nintendo Switch. What People Use Instead (PPSSPP Options) Assuming you have legally obtained a PSP ISO
: Features large-scale "Musou-style" battles against dozens of enemies. Naruto Shippuden: Ultimate Ninja Heroes 3 Naruto Shippuden Ultimate Ninja Storm 2 Iso File Ppsspp