To adjust these settings, tap 
To have your camera to start a countdown timer when you raise your palm in a selfie, turn Gesture Selfie on 
To have your camera to take a photo when it sees someone smiling, turn Auto Smile Capture on 
For groups of two to five people, it will only take a photo when everyone is smiling.
If you want to tap anywhere on the screen, not just on 

Let your camera improve your photography. When you take a photo, it can generate an alternative photo with well-balanced composition alongside your original. It will:
Turn Smart Composition on 
If you need to teach Google Assistant to recognize your voice so you can capture photos and videos with voice commands:
Open the 

This setting is not available in countries that require a shutter sound for privacy reasons.



Open your camera instantly from any screen, even your lock screen, with Quick capture.



If you don't want to use this gesture, turn Quick capture off 