What's the preferred way to test an Exponent based app?
Ex. Try opening https://getexponent.com/@exponent/floatyplane from your phone.
If you have the source code for the app, just open the project directory in XDE (our desktop software) and it will give you a development URL that you can open in the Simulator or on your phone.
In general, testing Exponent apps is way easier than testing apps other ways. We put a lot of time into making it simple.