Any good Zombie Killing game on android ?

I was just browsing through playstore in the games section and found this killer game .KILL GENRE
https://play.google.com/store/apps/details?id=com.psychopath.killgenre
If you love killing zombies then this is for you ..
What I liked
- Endless killing
- Free
- 3D game with console quality graphics.(the highlight of this game).
What I did not like
- lags a bit
-no levels
Do give it a try .!!