Tango app is popular for offering video calls over 3G,4G and Wi-Fi networks. It has more than 130 million registered users as at March 2013 and, among Android devices, it is the 12th most downloaded app. Free to use, all video and audio calls are free and don’t use your minutes, messages are free and don’t use your text plan, free calls and messages internationally.
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Submitted by Kerim Taskan - New Media Ambassador at GEYC Resources Center