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 maps; additionally, you've got automatic day / night coloration, carpool lane and tollroad avoidance, and speech recognition for destination input -- a big plus when you're on the road and you need to keep distractions to a minimum.

We've been playing with a cut of GPS Navigator on our myTouch recently, and it delivers a totally usable car navigation experience -- a perfect complement to the comprehensive pedestrian capabilities of Google Maps. Most of the warnings from our G1-based review of the application carry over here -- you need true GPS reception, not merely cellular triangulation, so your phone will need a view of the sky to have a shot at picking up satellites (this also means that getting a location lock is a more time-consuming process, though it typically didn't take longer than a few seconds to do its thing). We're not digging how the colored lines that convey traffic information on highways flash; we'd rather they just stayed a solid color, the way most GPS systems handle it. We also found that the menus are a little wonky -- bringing your finger in contact with a menu item and swiping up or down to scroll would occasionally trigger the first item you touched, which ends up being a fairly annoying bug in practice. All told, though, if you can justify the expense, your $10 a month is going to net you a genuinely reasonable way to consolidate all of your help-me-I'm-lost needs -- whether by foot or by car -- into a single device.
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TeleNav GPS Navigator comes to T-Mobile's myTouch 3G