You can be a camera shot in silence.

Copy or browser start the QR code read screen display and to theclipboard

Monitoring the Battery Level and Charging State

Strong Random Password Generator

You can use , such as a hand mirror by using the LCD screen sidecamera.

Check the WiFi radio waves that are flying around.

It is an attempt to improve vision and health with red or violetlight.

You can check the direction the camera is facing.