I can't predict when you will add the straw that breaks the camel's back.
Take regular exports, in case your project needs to move to the code.appinventor.mit.edu server, because of
There is still a 10 screen limit.
Your app looks a lot like a brochure, though I can't read any of it because of the lack of an app translator.
I'm seeing almost no list and table management in your app, which might be used to reduce block count. If your app is aware of every data value, that's a sign that it lacks data driven generality.