No, his invention is using BIP157 in a browser. He's just making all kind of testings.
Yes, BIP157/158 is used in many apps, like Zeus, Blixt, Breez, Lightning.Pub etc but Super just wanted to demonstrate that you can run it in a browser too.
Oh, true! What strike me is the simplicity he implements bitcoin using simple pure html and js scripts. Just incredible if compared to all that infrastructure that all other apps use.