How to add custom notification sounds for each app on your Android phone

You can have your phone or tablet make a brief noise, chime, or vibration whenever an app, call, or message notification ...
Android Authority

Android 16 could add a system-wide audio input switcher

Android 16 may add a new section to the media switcher dialog that lets you change the audio input device for all apps. Currently, you can only change which audio device you want to use as your ...