Honestly just an obvious way to get out of the login dialogue would've made the experience different. I am excited about this idea but when I went and got stuck in that login screen after clicking customize, before even trying to scan the QR code, I was discouraged and left. Appreciate your response!
Being able to try it without signing up would be cool but I'm not here to tell you how to run your business I just didn't like the pattern that got me stuck staring at a black screen with a white sign up box in the middle and wouldn't let me do anything else.