The small green dot in the top corner of your Android screen is a built-in privacy feature, not a glitch. It alerts you whenever an app is actively using your camera, microphone, or both. If it appears unexpectedly, simply swipe down to open your quick-settings panel to see which app triggered it.
You can manage or revoke unnecessary camera and microphone permissions anytime under Settings > Privacy > Permission Manager, or delete suspicious apps that shouldn’t be listening or watching… CLICK BELOW TO READ MORE