You're looking for information on "Naruto Shippuden Ultimate Ninja Storm 3" for PPSSPP (a PSP emulator) in ISO format. Here's what you need to know:
Modders often provide HD texture packs that sharpen graphics beyond the original PSP capabilities. Naruto Shippuden Ultimate Ninja Storm 3 Ppsspp Iso
Because it was a console and PC title, any version you find for the PPSSPP emulator is actually a of an existing PSP game. What is the "Storm 3 PPSSPP" ISO? You're looking for information on "Naruto Shippuden Ultimate