Screen overlay is a feature on Android devices that allows apps to run on top of other apps. It gives an app permission to change what's displayed on the screen even if you're not actively using ...

You must turn off screen overlay first since it can cause confusion for the Operating System, which may interpret it as a user unknowingly granting permission to access personal information.

Following the release of the rainbow Gemini icon, Google's now giving some colorful attention to Gemini's on-screen overlay.