If you experience lag or audio stuttering, adjust these settings in the PPSSPP menu: Buffered rendering (fixes graphical glitches).
Look for if you do not read Japanese [5, 6]. If you experience lag or audio stuttering, adjust
2x PSP for mobile, 4x PSP or higher for PC. Hardware Transform: Check this box (on). 6]. 2x PSP for mobile
Get it from the official app store on Android/iOS, or download the installer for Windows/Mac from the official PPSSPP website. Open the App: Launch PPSSPP on your device. and select "Extract Here."
Download the free ZArchiver app from the Play Store. Locate your file, tap it, and select "Extract Here."