Upgrade to Telenav, you will be charged $$$

[nxtech3]

its not the program that runs GPS/Cell its the device, A-GPS is assisted GPS, both Cell Towers and Satellites work together for better accuracy. Most, if not all, cellular devices that have GPS capabilities use A-GPS

A Wiki article for everyones viewing pleasure.
http://en.wikipedia.org/wiki/GPS_Phone

(plus plenty of threads here at PPCGeeks talk about A-GPS)