Although the SHIELD TV unit itself and the controller function very well, the remote is completely worthless. The device is almost perfect if they can get the remote issues resolved. UPDATE 2/19/2017: Recent firmware updates with Android TV 5.1 and remote firmware 1.05 have resolved the previous issues with the remote.
https://www.amazon.com/NVIDIA-Shield-Streaming-Media-Player/dp/B075RXV2VR