These types of fan-made mods (often labeled as "APK v09a modfull" or similar) are commonly found on third-party Android app websites, forums, or indie game platforms like Important Notes regarding "Mod APK" files: Security Risks:
If you are looking for legitimate Doraemon gaming experiences, consider official titles like Doraemon Story of Seasons
Copyright Issues: As a parody game using licensed characters without permission, the project is frequently subject to takedowns and may not receive official support or updates. Legitimacy vs. Official Games
The specific version and mod designation mentioned in the title refer to how the game is distributed and modified by the community.