Detour - Immersive audio walks, now in 17 cities
Drive & Listen - Drive & Listen is an app that lets you listen to music and local radio stations while driving the vehicle.
Sygic Travel Maps - Itinerary planner for independent travelers
Sounds of Maine - Interactive tours of Maine sights and sounds
Foursquare 10 - Your ultimate city guide, in your pocket
WalkInto - Tell beautiful stories with Google Streetview