Default Gaming performance drop after 4.4 update...note 3 n900

Sent from my SM-N900 using xda app-developers app

So my games lag after 4.4.2 update like mc4 and asphalt 8....and asphalt 8 lag is extreme high..its starts after 5 min..first when I open this game its liquid smooth but after 5 min many things happened like split screen..screen divided into 2 parts phone heat up extremely high..and when this thing happens I just lock the screen wait for 20 sec.and my phone starts cooling..and then I open it and play game and its again play liquid smooth and again after 5 min. Its starts lag how to fix is I asked this same questions they haven't answered...I ask to gameloft They said clean your browser cookies I clean it but my games still lag...and I am not alone...this stuff happens to more people

Link
http://forum.xda-developers.com/show....php?t=2633895

So help me.......

And here is screen glitch
Attached Thumbnails
Click image for larger version

Name:	uploadfromtaptalk1393909005434.jpg
Views:	843
Size:	240.2 KB
ID:	2612131