A turn-by-turn directions application for smartphones from Google. First released for Android OS 2.0 phones and comparable to dedicated, portable GPS devices with voice directions, Google Navigation uses GPS, Wi-Fi and cellular location services. It also offers actual street views of the turns. Although some portable navigation units have significantly larger screens, Google Navigation is free, and stock market shares of dedicated GPS makers fell dramatically after Google announced its app. See Google Maps, Google Earth, Google and portable GPS.|
The Google Navigation app is free and provides most all the features of dedicated GPS systems. At each turn, the user can switch to a photographic view and see the actual streets and surroundings. Clicking the turn-around icon (bottom right of bottom image) lets users rotate the view 360 degrees.