I use many pf smartphone.but asus is different.first of all it has a sleek sexy body which is smartphone luxury.camera is superb.Zenui is feature rich but still some bloatware.whatever this product is very very good.i recomended this product that who looking for a perfect stable product with lots of customization then go for it.i played high graphics game like asphlalt, dead trigger 2 vice city, Forza .still no hang.it’s 3GB Ram and octa core snapdragon proccesor handle it smooth like butter overall no lag.i really feel good with this smartphone .thanks.