Package Signatures and Joy APK Game: What Privacy-Conscious Users Should Know
https://gamepatchpoint.iamarrows.com/what-experienced-android-users-look-for-when-assessing-package-signatures-on-modjoy
A package signature is a digital identity used by Android to help confirm who signed an app and whether updates match. Privacy-conscious users look beyond whether an app works. They also ask what the app can reach and why