A method for data communication with a domestic appliance by a mobile computer device. The domestic appliance and the mobile computer device are interconnected or interconnectable via a wireless data connection. The wireless data connection is adapted for transferring signals between the domestic appliance and the mobile computer device. Further, the present invention relates to application software for the mobile computer device. Moreover, the present invention relates to a domestic appliance. Additionally, the present invention relates to a mobile computer device including a display or touch screen.