p4 monitor requirements

Hey all! I've been slowly getting into more FPV flying and found I enjoy taking videos of my flights. I briefly considered the Inspire 1 for these shots, since a second person controlling the camera would be awesome.....but I'm not quite ready to invest ~$4k in a drone that I'll be using for...

Background: I currently own a P3S and have been flying a LOT since September 2015. My current monitoring device is my Samsung G5, and I really like it. But I had issues with lag running Litchi, and I have a P4 on order. My Question: Since the P3S controller is different, and the GO interface...