Understanding App Updates on ModJoy in Plain English

https://mobileapkworld.nexorafield.com/posts/how-to-compare-information-about-apk-xapk-and-obb-files-before-choosing-a-file-on-modjoy

The technical terms can sound complex, but the practical idea is simple when it is broken into steps. That idea is especially useful when you are comparing Android app files and versions