Meanwhile can you indicate what's most disturbing about it? I guess the mobile experience is the most problematic? Or just the layout? Fonts? Accessability? We should probably have a professionally designed logo as well. But currently we're focused on making the compiler better. 3.6 -> 3.7 was really a big step, due to the modules.
There will also be a special website to play with Transcrypt. The URL was already reserved: tsfiddle.org. But it will be a while until somebody finds the time to turn it into a playground / educational site. Everyone working on Transcrypt has a daytime job as well, that's how it is with open source, although the past months I think most of my time was spent on Transcrypt.
The project was born from practical needs for a medical imaging project. In my experience the switch to Python is a great improvement in productivity and clearness. And it's more fun, above all...