Install-Unknown-Apps Settings and Joy APK Game: A Guide for Low-Storage Android Phones

https://gamemodcentral.lumenforgex.com/posts/7-things-to-check-about-clean-app-removal-before-using-modjoy-apk

Install-unknown-apps settings control which sources, such as a browser or file manager, may start an APK installation. On a phone with little free space, every download and update needs a little more planning