Cool Button
This is a text sign, which surrounds the word "cool" with a square. On most platforms, the logo is displayed in blue or blue gray, while Facebook platform displays purple logo and OpenMoji platform displays gray logo. Except that the four corners of icons depicted by au by KDDI, Docomo, Microsoft and OpenMoji are right angles, the four corners of icons depicted by other platforms are smooth and have a certain radian. Some platforms also show the stereoscopic impression of icons, which look a bit like a button. This emoticon can represent cool, cool, calm, relaxed and so on.
