It is based around active exploration: devices are shaken, revealing the contents rattling around “inside”. Vibrotactile display and realistic impact sonification create a compelling system. Inertial sensing is used for completely eyes-free, single-handed interaction that is entirely natural.
Download the Shoogle's paper for Chi 2007
Video of Shoogle
Stephen Hughes was previously a researcher in the Palpable Machines research group with Sile O'Modhrain at Media Lab Europe. The group published key papers on vibrotactile display and mobile multi-modal interfaces.
MESH an iPaq running a simple tilt-driven maze game by the Palpable Machines group