The Icon Format Widget allows you to dynamically insert the format icon of the post you are in.
You can use it in a dedicated template. This way you can format it globally for all those posts using a specific template.
If you use it on a page, the result is that it will be displayed as the stated icon of the current post format.
This is true by default on blog articles. Concerning any other type of post, Icon Format works when it is associated with the taxonomy 'post_format'
The icon in a circle. That's it.
The padding of the wrapper, the space between the icon and the circle
Color Background, the color of the circle around the icon
Alignment, the icon alignment