While I'm not entirely sure what a Quidd is, it means more SU content! Read more about it at the link below, which also has more information about other shows that will be included!
Quidd is an app that allows users to amass digital collections of all sorts of pop culture.
You can trade these collectibles via Quidd at the comfort of your own home anytime you wish.
'Rick and Morty,' 'Steven Universe' And More Animated Series Will Have Digital Collectibles!