Google Maps – Google Mobile App Update
This updated brings Layers to Google Maps. You have layers such as Wikipedia, Latitude, My Map, Get Directions, Traffic and more. All the layers stay visible as you add them, but you can easily clear the map to start again. Even searches show as another layer.
You can download Google Maps to your device using your mobile browser and navigating to m.google.com/maps
The Google Video below explains all about Layers:
You can also check out the Google Official Mobile Blog post here: