How to debug/test game on device while PC's Console displays real-time information

Questions & Answers
1

Check out this video. This guy has the android device connected to the pc, and when he runs the game on the android, the computer tells him what is going on in the console
watch at 4:10

I’ve searched the net and even emailed the guy for an answer, to no avail. What do I need to do to be able to test my game like that?

2

I think he is using the android unity 3d remote.
https://play.google.com/store/apps/details?id=com.unity3d.androidremote#?t=W251bGwsMSwxLDIxMiwiY29tLnVuaXR5M2QuYW5kcm9pZHJlbW90ZSJd