Mobile Phones as Pointing Devices Rafael Ballagas, RWTH Aachen, Germany Michael Rohs, ETH Zurich, Switzerland Jennifer G. Sheridan, Lancaster University, England This article outlines two techniques that allow the mobile phone to be used as a pointing device for public terminals and large public displays. Our research has produced two complimentary camera-based input techniques. We outline the details of the interaction techniques and identify further areas of exploration.