Layar is a free application on your mobile phone which shows what is around you by displaying real time digital information on top of reality through the camera of your mobile phone.
The Layar Reality Browser displays real time digital information on top of reality in the camera screen of the mobile phone. While looking through the phone’s camera lens, a user can see houses for sale, popular bars and shops, tourist information of the area, play a live game, etcetera. Layar first launched on June 16th, 2009 and announced the opening up of its platform by means of an API on July 8th, 2009. The Layar platform serves as an enabler for mobile location services - any database with geo-location information can easily be turned in a content layer. The Layar Reality Browser is globally available for mobile phones running the Android operating system. Layar is a company based in Amsterdam, The Netherlands.
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www.layar.com