The installation process is similar across all platforms; you must place the file in the specific "cheats" folder created by the emulator. 1. Locate the Cheats Folder
Another comprehensive source found on GitHub . How to Install cheat.db on Android, PC, and iOS Cheat.db Ppsspp
The file is a universal database for the PPSSPP emulator that contains thousands of CWCheat codes for nearly every PSP game. Instead of manually searching for and pasting individual codes for every game, this single file allows you to "import" pre-verified cheats directly into the emulator's menu. Where to Download cheat.db The installation process is similar across all platforms;
An actively maintained database available on GitHub . Cheat.db Ppsspp