TeleNav has already launched its subscription turn-by-turn navigation service for the G1, so it stands to reason that official myTouch 3G support would be close behind -- and sure enough, the company has announced that its GPS Navigator app will be available for download to T-Mobile's second Android device starting tomorrow, August 5. The app features all of the goodies that TeleNav users have come to know and love, including traffic and incident monitoring with automatic rerouting, gas prices, business information, and a choice between 2D and 3D m
