How Good Is Cell Phone Based "Telenav" GSM Navigator?

Last week, I had the opportunity to extensively test-drive Telenav, a GPS Navigation software offered by Sprint and Cingular, and also available through a bunch of other carriers. Just like a standalone or built-in car GPS navigation system, Telenav shows real time maps of your position and speaks instructions, all of this on any GPS and Java enabled cell phone! Telenav was great, but there were also some potholes down the road. Full Review >>