I think best phone in Dual sim with such features and touch screen. Screen size is good. Apps are also excellent. I brought this 3 weeks before. My experience with this is good as of now. Some unique features like beep sound when u have a missed call or an unread SMS are special. These features may be problem to some people also.
Nagative:-
Touch screen rarely will stop for 1-2 sec.
Battery backup is bad- Need to recharge everyday even you don’t use at all.
Night full battery charge, by morning you will end up with half battery.
As it have a single button, some applications you may need to come out completely as the options in some apps looks have some issue.