First of all, congrats!
EDIT: okay, found the method for adding your own instance, but it's a bit hidden? You have to go to Explore > Show More Platforms, then click the little +
EDIT 2: Okay, my own idiocy for not reading the article properly! Apparently Framasoft wanted to add proper features but the rules of Apple and Google's app stores effectively ban full clients for federated video networks. Framasoft are having to very gradually add stuff instead of giving us the client they know we want, simply because of Apple and Google's duopoly.
@FediThing @peertube That sounds similar to the constrains of NewPipe, which is unfortunate.