Abstract
The international standard regarding to the user interface (UI) is developed at sub-committee 35 (SC35) of joint technical committee 1 (JTC1) in ISO and IEC. As for the range of the discussion, a variety of interface elements like the keyboard, the screen icon, the sound, the sense of touch, pen gesture, and the method of the navigation etc. are included. It explains the activity of work group 4 (WG4) that discusses User Interface for the mobile device, such as gesture command and icons in that.
