Similar to other popular augmented reality apps like Layar and Wikitude, it overlays the information related to your surroundings on your smartphone display in front of the camera output.
You basically look at the world through your smartphone and read the related information simultaneously. If that information is not enough for you, you can also tap on an item and read further description and reviews.
Company has included a sharing function in the app, which allows you to share information to others via email or SMS. Nokia City Lens is currently supported on Lumia 710, Lumia 800 and Lumia 900 smartphones.
Also see: Google's glasses and other augmented reality projects
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