Question: how lean does a Racket GUI app run? Any samples I can use? Just did the tutorial and I really loved it! Only thing that’s difficult for me right now

Question: how lean does a Racket GUI app run? Any samples I can use? Just did the tutorial and I really loved it! Only thing that’s difficult for me right now is named parameters because I’ve been using Objective C which is really clear on that front. If they can be hooked together too...that would be fun :)