Only download files from reputable emulation communities. Avoid files that require you to fill out surveys or download password-protected .exe files, as these often contain malware.
To help optimize the setup for your specific device, could you share you are planning to play this on (Android, PC, or iOS) and its approximate specs ? Knowing your preferred control setup (touchscreen or gamepad) will also help me provide the best performance configurations. Share public link Gta San Andreas Ppsspp Iso File Download
If you experience lag or frame drops, adjust these settings within the PPSSPP menu: Only download files from reputable emulation communities
If your download included a separate "PSP" folder containing SAVEDATA and TEXTURES : Copy that folder. Navigate to your device's internal storage root directory. Gta San Andreas Ppsspp Iso File Download