ModJoy and Package Conflicts: A Beginner’s Guide for Android Users

https://blogfreely.net/tedionexkc/notification-permissions-with-apkmodjoy-myths-facts-and-safer-choices

A beginner does not need to know every Android term before making a careful choice. That idea is especially useful when you are comparing Android app files and versions. Do not treat a familiar icon as proof that a package is genuine