Supermac does not only serve burgers and fries, but they also serve pizza, cakes, and Irish breakfasts on a real plate. It is more than just a "burger joint."
Here is an image displaying men with an assortment of food at Supermac in Northern Ireland:
here is an image of what the outside of the fast food restaurant looks like:
As you can tell, it defintely looks more like a real restaurant than U.S.'s McDonalds. The main con about Supermac is the wait time. Buyers get aggravated because sometimes the food takes a little while to be prepared.