
I'd never heard of such a thing, but I don't have TV, so it's not unusual for me to miss news of unique things like this. From my understanding, there are a number of these in the world.
The food was good, and everything cat cat themed. There were rules for visiting, such as the cats had the reign of the cafe, no flash photography, etc.
To keep things sanitary, the food was prepared in an area closed off by glass so the cats couldn't get in the food prep area. The cats' litter box was downstairs.