The ViViBox Augmented Reality App is a companion app to the ViViBox exhibition about the history of Vianden Castle. The concept of this exhibition is following the Bring Your Own Device (BYOD) concept. Use this app to explore the different epochs of Vianden Castle via Augmented Reality. Just open the app and follow the on screen instructions. To use this app outside of the ViViBox exhibition booth, you can optionally download the three target images to your home computer.