What Experienced Android Users Look for When Assessing Package Signatures on ModJoy
https://mobilegamebase.theglensecret.com/how-to-think-about-apk-xapk-and-obb-files-when-exploring-mod-joy
Experienced Android users tend to slow down at the points where a file, permission, or version does not match expectations. A package signature is a digital identity used by Android to help confirm who signed an app and whether updates match