In reviewing the videos it seems that the device can be in a look-up mode or in a look-sideways mode. Does anyone know if it works in look-down mode? By look-

In reviewing the videos it seems that the device can be in a look-up mode or in a look-sideways mode. Does anyone know if it works in look-down mode? By look-down I visualize it attached to the top of my display and looking down. The advantage would be that your hands are supported by a table. This would lower the muscle strain when interacting with a device for a long period of time.