Good Gear Guide
In Pictures: 21 awesome GPS and location-aware app...
Look around you -- think you're seeing everything there is to see? Think again. Layar will show you an entire world that you never even knew existed.
This app adds layers of information to your real-world view, showing you tidbits such as details about the restaurants you're looking at, information on nearby apartments for rent, or tweets that people posted from nearby.
In Pictures: 21 awesome GPS and location-aware apps for Android