Avoid .EXE files, survey downloads, or "Download Manager" prompts. Legitimate PSP ISOs are always .iso , .cso , .zip , or .7z . Never run an executable claiming to be a PSP ROM.
Running PS2 games requires a more powerful device than PSP games. A phone with a Snapdragon 845 or higher is recommended for a smooth 60 FPS experience. Comparison: PPSSPP vs. PS2 Emulator total overdose download for android ppsspp
To experience this on a modern Android phone, users typically turn to the PPSSPP emulator Avoid .EXE files