Once installed, open the app. If the game requires an OBB file (a data file for graphics), you may need to extract it into your Android/OBB folder. However, most updated 1.0.3 Mods come pre-packaged and ready to play. Open the game, grant necessary permissions, and start running!
However, you can find documentation and collections related to the technical side of modding (developed by Gameloft ): minion rush 103 mod apk updated