Versailles 3D is an application that allows visitors of Versailles immerse themselves in history through their mobile devices and tablets. This HD version is for tablets.
The principle is simple: having his tablet at the heart of the Royal Court at the foot of the chapel or on the terrace gardens, visitors can see the castle at the time of his choice. His phone becomes a real window into the past by superimposing the Castle today the major works of the reign of Louis XIV.
http://en.chateauversailles.fr/