Do not download a "modded Kakarot PPSSPP app." Download the real emulator from the official sources:

was never released for the PlayStation Portable (PSP) or the PPSSPP emulator.

When users search for a "Kakarot PPSSPP file," they are typically finding fan-made mods

The official game requires modern hardware to run its Unreal Engine 4 graphics, making it technically incompatible with the legacy PSP hardware that PPSSPP emulates. Understanding the "PPSSPP Download"