TECHCOOLTOUR mobile app offers unique range of multimedia informations about Roman and Byzantine cultural heritage sites. Users may find information on archeological locations layered over the camera live view and access additional information such as images, stories and routes to the sites. Twelve locations spread over four countries are marked with Augmented Reality Infoboards. The boards trigger virtual presentations superimposed over immediate enviroment of the user: virtual guides, 3D reconstructions, animations...