WhatsApp what a buetyfull app it is to me. I was very happy of using whatsapp, because the basic advantage is communicate with only the contanct people. Its contain voice call so there is no need to recharge of voice call of any network sims, that is the money saving advantage. The whatsapp is also providing the video chatting, it is the excellent feature. By using whatsapp video chatting there is no need of the computer system, so we are happy with whatsapp. The whatsApp is really enjoied by me. There is also upload or send photos to our friends.