Notification Permissions and ModJoy: A Guide for Older Android Devices

https://mobilemodavenue.talesignal.com/posts/mobile-data-usage-and-joy-apk-game-what-privacy-conscious-users-should-know

Older Android devices can still be useful, but they often need more care with app versions and resource use. Notification permissions decide whether an app can place alerts on your screen or notification shade