You could use this Samsung classroom management app. https://play.google.com/store/apps/details?id=com.tabnova.classroomapp https://play.google.com/store/apps/d

You could use this Samsung classroom management app. https://play.google.com/store/apps/details?id=com.tabnova.classroomapp https://play.google.com/store/apps/details?id=com.tabnova.cl... Make one device as teacher and all other devices as students