Google’s latest mobile operating system, Android 12, is still under development, and Google has introduced a novel accessibility feature that relies on the phone’s camera and a user’s face gestures – open mouth, smile and raise eyebrows, for example – to initiate actions.
Article source: https://www.zdnet.com/article/android-12-new-feature-allows-you-to-control-the-ui-with-face-gestures-via-phones-camera/