Control Cortana to turn off monitor

[minqidev]

Yesterday I saw a video, which show someone using Cortana to turn off/on light.

I make a simple video, using Cortana to turn off monitor. If a windows phone app can communication with desktop app(bluetooth, socket and so on), when Cortana open this app, you can do anything (turn on/off light, turn on/off monitor, even like someone to feed your dog)

Ps: In my video,
[1]I told Cortana "Open kaiji(chinese word)"
[2]Cortana open the app "kaiji",
[3]"kaiji" app told desktop app turn off monitor.

 

[Guytronic]

Nice!!