A method of operation for a system incorporating a graphical user interface in a mobile computing device for a crew member within a cabin of an aircraft. The method includes displaying a menu for at least one controllable parameter, receiving a selection of the controllable parameter, displaying at least one control for the selected controllable parameter, receiving a control input for the selected controllable parameter, and adjusting the selected controllable parameter consistent with the control input. The controllable parameter include a plurality of controllable parameters selected from a group encompassing light intensity, light color, temperature, and the degree of openness of at least one window shade. A system and executable computer program product also are provided.