1. A computing system, comprising: a peripheral input configured to receive depth images from a depth camera; a display output configured to output a user interface to a display device; a logic subsystem operatively connectable to the depth camera via the peripheral input and to the display device via the display output; a data holding subsystem holding instructions executable by the logic subsystem to: receive from the depth camera one or more depth images of a world space scene including a human target; translate a world space position of a hand of the human target to a screen space cursor position of the user interface using a virtual desktop transformation, the virtual desktop transformation dynamically adjusted by a history of button press actions executed by the human target.