First, download the latest version of the PPSSPP emulator from the official website (ppsspp.org) or the Google Play Store. This software mimics the PSP hardware on your device.
The game you are likely looking for is , which was built specifically for the PSP and is fully compatible with the PPSSPP emulator. The Project Overview
Open your Zip file and extract the .iso file to a folder named "PSP Games" on your storage. Launch PPSSPP: Open the emulator app.
To play legally, you should rip the from your own physical UMD disc using a hacked PSP. Online, these files are often distributed in .ZIP or .7Z formats to save space. Format: Look for an ISO or CSO file.
Set to 2x PSP for a balance of clarity and performance. A Note on Security