Quick Dial is a widget to instantly dial or text someone in your call or text log...using a minimum amount of screen space.
Remember, this is a widget, so to use it you must add it to your home screen. This is usually done by long pressing on an empty area of your home screen.
With several widget sizes and configurations, Quick Dial can show up to six contacts in a 4X1 widget to call or text. Swap one of the those contacts for the toggle button and change the action to call or text instantly. Also has a "large" mode to make the contact buttons a bit larger.
In the donate version, you can have multiple widgets with "favorites" to instantly call or text someone you communicate with frequently.