Hello friend im using this but I don’t like because it need more data required to make a good call.Concept of this application is making call video or voice. You can make a call to your friends with whatsapp.Layout and design of this application is average. I don’t like this too much.Function is not good I Don’t like its weast of my time. Toi much data required for it this is not good.This is not useful as I want. I don’t think its use full.Personally I recommend ypu dont use this.