Pc screen mirror / use as monitor topic

Heeey guyz, I want to use my n7 as monitor to keep the laptop in a drawer...
kainy, splashtop, I really didn't find these useful. the main goal is to have an acceptable latency on games.
also, I have a 720p monitor on my laptop, so, changing the resolution to have full 1080 output would be great :) instead of a scaled image...

can anyone help me?? thank you all