Enable "Install from Unknown Sources" in your Android Security settings.
You cannot update a Mod APK through the Play Store; you must manually find and install the next build when it is released. How to Install Backup: Uninstall any previous version of 365Scores. Download 365Scores Pro v12 build 1214 Mod apk
While Mod APKs offer "free" premium features, users should be aware of the following: Enable "Install from Unknown Sources" in your Android