Worpenberg, A., Grüter, B. (2013). Navigation Experiences – A Case Study of Riders Accessing an Orientation Game via Smartphone. In: Human-Computer Interaction. Applications and Services, Kurosu, M. (Ed.), Lecture Notes in Computer Sciences Volume 8005. p 323-332. Springer Berlin Heidelberg. 15th International Conference, HCI International 2013, Las Vegas, NV, USA, July 21-26, 2013, Proceedings, Part II. http://dx.doi.org/10.1007/978-3-642-39262-7_37.
Grüter, B. (2013) Activity Theory & Mobile Interaction. Symposium, Graduiertenkolleg Advances in Digital Media, Uni Bremen, 10. April 2013
Grüter, B. (2013) Activity Theory & Mobile Interaction. Venew Conference: Digital Media in Urban Space March18th – 19th, 2013, Bremen
Grüter, B.(2013)  On Flow while Walking. Workshop On Psychophysiology of FLOW Meeting, March 4th, 2013 Hochschule Bremen.
Grüter, B. & N. Hajinejad (2012). Pecha Kucha: Gangs of Bremen on Flow-Machines. 1st Meeting European Network on Flow-Research. November, 30th to December 1st, 2012. University of Trier, Trier, Germany
Grüter, B. (2012). Schnitzeljagd und Mr. X – Mobile Gaming im Tourismus. Vortrag Tagung GPS im Tourismus, DSFT Berlin e.V., 
Berlin, 18. bis 19. Oktober 2012. www.dsft-berlin.de/local/…/12-118_praesentation_grueter.pdf
Grüter, B. (2012). Spiel – Erleben – Flow. Vortrag Researching Games. Jahrestreffen Deutsche Spieleforschung
 BarCamp 6. Oktober 2012, Wiesbaden. http://researchinggames.net/archiv/2012/
Grüter, B. (2012). Gangs of Bremen: Mobile Games. Vortrag Mobile Gaming Workshop 2012 ICEC Bremen
Grüter, B., Mügge, H., Oppermann, L. & M. Billinghurst (2012) Proposal for the 4th Workshop on Mobile Gaming, Mobile Life – Interweaving the Virtual and the Real Proc.11th International Conference on Entertainment Computing (ICEC 2012) Sept. 26-29, 2012 Bremen, Germany. Lecture Notes in Computer Science Volume 7522, 2012, pp 549-552
Hajinejad, N., Bogutzky, S. & Grüter, B., (2012). Gait Biometrics in Interaction Design. Vortrag Workshop Be-greifbare Interaktionen. Mensch & Computer 2012. Universität Konstanz