A technique for supporting a user of a first device coupled to a second device of a support agent. A current screen image of the first device is sent to the second device. The second device displays the current screen image of the first device. The agent device determines the position of an input icon to be displayed on the current screen image, and the position is sent to the first device. The first device displays an input icon on the current screen image on the first device based on the position. The second device also determines how the user should operate the input icon on the first device. Corresponding operation information is transferred to the first device.