Click the 'Preview' button at the top of your screen in Adalo .
In preview mode, make sure you can signup and login and out.
Test all of your page links— are all of your tab and app bar icons properly linked?
Test all of your forms. Check that submitting a form creates a new record in the way that it should.
If you have components that are set to only be Sometimes Visible under certain conditions, test each scenario to make sure they are showing and hiding correctly