Layar is an augmented reality application that adds real-time computer generated data to a real image. 

Combine the GPS, the digital compass, the camera and the permanent connection on the Internet of smartphones. In this way, the camera captures images around it and shows it on the screen, the GPS determines the exact position and the compass the address in the direction in which it is being watched. Based on this information, the application takes Internet data and superimposes them to the mobile screen. 

The Layar application has a multitude of "layers" distributed by sections: you have to look up the section of art and the layer "Historia de l'art sense noms"  Layar is an application that you can download for free from your smartphone. 

For more information click on the link "layar info" and "download"