The following paper presents an application of QR code marking of digital iconographical collections for their outdoor mobile access and exploring through the GUIDE@HAND audio tourist guide.

This paper demonstrates an approach for technology-enhanced learning, combining analysis, collaborative work, mobile learning (m-learning for short), discussion, and learning-by-authoring approaches in order to achieve more active participation of the learners during the reception of knowledge and to stimulate their creative thinking. The learners visit famous churches, monasteries, museums, etc., where they can see samples of Bulgarian Iconography supported by m-learning. They rely on the GUIDE@HAND platform containing personalized collections presenting location, historical data, pictures, etc. Multimedia and other information resources are delivered through the Virtual Encyclopaedia of the East-Christian Art digital library (BIDL)—a web-based environment for registration, documentation, access and exploration of Bulgarian iconographical artefacts. The main goal of the learners is to create their own learning material/project by analysing the available resources. The presented use case also involves collaborative work and discussion approaches in order to attract learners and support their more active participation in the learning process.

The paper introduces an ecosystem of digital libraries andmobile applications for presenting Bulgarian cultural and science assets.The digital libraries concerned constitute valuable sources of culturalheritage and related scientific results. They include the BulgarianIconographical Digital Library (BIDL), the BellKnow multimedia archiveon bells and the web site of the International Conference on DigitalPresentation and Preservation of Cultural and Scientific Heritage (DIPP).These digital libraries can be accessed online through a Web interface.Due to the spread of mobile devices, there is a need to present thecontents through mobile platforms as well. The GUIDE@HANDapplication family was integrated with the digital libraries for presenting the cultural and scientific assets offline in mobile applications. Interactivemultimedia components (e. g., games, panorama pictures, maps etc.)make the presentation more attractive. The developed mobile applicationsfacilitate learning, presentation and preservation of cultural and scientificobjects.