In Android 14, screen recording sessions from third-party apps will continue even if you press the power button, and Android 15 QPR1 finally changes that behavior as part of Google's efforts to ...

The power button does many things. I use it to trigger an emergency call, summon my virtual assistant, launch the camera in under a second, and silence incoming calls without touching the screen.

Android 16 Beta 2 adds a new 'double press power button' menu that lets you choose to launch Google Wallet instead of the camera.