Wow, I didn't expect a review, thanks so much! All fair comments and appreciated.
Firstly, you're right, I did use Claude for all of the code. In fact it was kind of an experiment - I deliberately didn't even look at the code, to see what was possible. It still took several days as I walked it through in some detail. Not something I'll do again but quite eye opening.
It's actually a mini re-implementation of a game I wrote 15 years ago with Java for Android:
https://lowlife.en.aptoide.com/app
If you're interested, the "Let's Dance" level is possible with a different solution:
Thanks again!