What is fake gpu in gltools

[suneel6565]

HI I have lenobo k3 note and my games are lagging like he'll. So I wanted to use gltools to increase the game performance but don't really know what fake gpu is. And can you tell me why my games are lagging. Thanks

 

[suneel6565]

MERGED QUESTION
Question from suneel6565 : "lenovo k3 note gaming"

my lenovo k3 note is lagging very much while playing games.what to do and what is fake gpu in gltools plz help