A computing device comprising a computer program executed on a processor of the computing device, including: a rendering module configured to read stored instructions to display a graphical user interface, the stored instructions including code for a plurality of focusable GUI elements, each focusable GUI element having an associated identifier, a focus map module configured to store a precomputed focus map including a focus map entry for each focusable GUI element indicating, for that focusable GUI element, for a plurality of predetermined navigation directions, a target identifier of a target focusable GUI element for that navigation direction, a user input module configured to receive a user input of a predetermined navigation direction, a focus module configured to query the precomputed focus map with an identifier of a currently focused GUI element and the predetermined navigation direction to retrieve and move focus to the target focusable GUI element.