Smart classroom- Master thesis

This app is completely owned by Faculty of Electrical engineering and computing, University of Zagreb, Croatia.
The system consists of 4 parts.
First part is wireless connection between devices. It is done by wireless hotspot with client server concept.
Second part is device locking so the teacher can lock students device so he cannot do anything with it.
Third part is detecting foreground app so teacher can get notified if students exits classroom app.
And forth part is taking screenshot on teacher demand so he can see what is student doing with his device.