Google Maps for Android features My Location to see your location on a map, even if you don't have GPS. Driving directions - you don't even have to enter your starting point. Get routes and schedules to travel via subway, bus, or on foot, or on bike. View street-level imagery of businesses and turns in directions. Real-time traffic helps you find the fastest route. Search for any business or category of interest. Get turn-by-turn GPS navigation with voice output. See your friends' locations and share yours with them. Start Maps and then select Join Latitude. View layers of geographic information (e.g. My Maps, Wikipedia, Transit, Google Buzz).
What's new in this version:
Version 4.2 adds support for cycling directions, home screen shortcut for the driving Navigator, and modules for sharing locations with others.