To get started, you will need two apps from the Google Play Store: (the emulator) and ZArchiver (to extract the 7z file). Step 1: Download the Files
Since these are unoptimized fan mods, you may need to tweak settings in the PPSSPP menu for a smoother experience: Graphics Backend (or OpenGL if Vulkan is unavailable). Frame Skipping : Enable "Auto Frameskipping" if the game lags. Resolution 1x or 2x PSP
If you choose to try a community-created mod, follow these standard steps for PPSSPP: