Suggest best rom for N4

hi please suggest me a good rom for my nexus 4
i need double tap to wake or sleep
and im playing pokemon go on my nexus 4 :silly:
so i need the rom run smooth and battery life and gps work fine
currently im on 5.1.1 stock rom and kernel but i want custom look and of course smoother rom

Suggest me a good camera app for gpe ?!

Hi guys , im currently running GPE, and i cant find a good camera app, if u know any , post it down :) :D :)

can someone please suggest me a mobile in the 18k budget with following specification

ram - 2/3 gb
screen - 5.5 in
camera 13mp+
battery 3000mah plus
storage 16gb +
dual sim(not hybrid)
dedicated memory card slot
os- lollipop or marshmallow
fingerprint sensor optional
I currently have a asus zenfone 2 ze550ml (2gb/16 gb variant) and I have narrowed it down to g4 plus and moto x play...
so please suggest me a phone better than the one I have among these two and if there are any other options please do suggest