: Open ZArchiver, locate your downloaded file, and extract it to a folder on your phone. Configure PPSSPP : Open the PPSSPP app.
: Use an app like ZArchiver to handle compressed files.
: Download the PPSSPP - PSP emulator from the Google Play Store.
: A quad-core processor (1.5 GHz or faster). For zero frame-skipping, a Snapdragon 600-series or equivalent is preferred.
: Search for a GTA 3 ISO or CSO file online from reputable fan sites. These are often distributed in highly compressed .zip or .7z formats.