What does Quidd mean when they say something is an official license?

This is referring to any brand name channels, such as Rick & Morty, Star Trek, Disney, ect.

This does not refer to anything owned by Quidd, such as Quidd Labs or Gift Shop.

Why are they called that?

Because Quidd has partnered with these brands to bring their images and stories to the app. In doing so, a contract was signed, which makes these properties official to use on the app.

What about the License part?

It’s just a term Quidd uses to describe the brand as being officially licensed to use on the app.