Telenav the Navigation application from AT&T is the top selling application for the first quarter than other AT&T applications. AT&T Telenav capable to change your phone into full-featured GPS navigation system that support turn-by-turn direction along with voice destination entry and real-time traffic information. It also complete with 10 million POIs that make you easily to find the nearest hospital, gas station or restaurants. At the same moment, AT&T also announced that Nokia E71x will be provide the Telenav application for the navigation function.