Screen design change
The face recognition technology reads the facial expression captured by the camera, quantifies the smile, and displays the numerical value.
You can change the color of the scouter to your liking.
Let's practice smiling while looking at the numbers!
![Absolute pitch [Voice scale confirmation app]](https://play-lh.googleusercontent.com/aL3lyd5JGLAU_Cd9kiYqO9IcCWktrLIWa5U-5ZJHqmAWKuERihj2N46nx-c2EiS7-w)
