I thnk its the best app for video kolling. nywhr in the world v kan see face to face to our frnds n family wd the video kolling.its very helpful n vry useful. now the latest features of tango r very nice n video n voice kollng is gng in an owsm way.latest version of tango is superb.v kn send pix.audios.videos in a v less time. I m vry hpy wd ths app