REXplorer is a mobile, pervasive spell-casting game designed for tourists of Regensburg, Germany. The game uses location sensing to create player encounters with spirits (historical figures) that are associated with historical buildings in an urban ...

Augmented video streams display information within the context of the physical environment. In contrast to Augmented Reality, they do not require special equipment, they can support many users and are location-independent. In this paper we are exploring ...