Open Fire TV Cube/Stick SYSTEM X-RAY app and developer options
Are you developing Fire TV Cube and Stick apps? Then this could be useful and handy, look how to open Fire TV System X-RAY hidden apps easily, you can monitor system RAM usage, network status, video resolution and refresh rate, you can even check every video's video and audio codecs and bitrate. The last special feature of it is the network proxy, I don't know when will it be used but maybe the man in the middle inspection.