What is the Lucas' Whiteboard - English application, how does it work?

According to the introduction of Pablo Gallego Falcón, Lucas' Whiteboard - English is a Education app on the Android platform. There is currently a 7.0.0 version released on Nov 30, 2017, you can see the details below.

A whiteboard for children to learn colors in English and paint.
It supports multitouch so they can draw with multiple fingers, and is sensitive to the pressure to make lines thinner or thicker.
When you select a color it says the color in Spanish.
To delete just shake the device or click on the trash can.
You can save the draw cliking on the disk.