I'm sorry you ran into those problems, Jeff. 😢 Thank you for bringing them up, I imagine more people will run into similar problems as Gutenberg is installed on more and more sites.

The mobile team are heavily focussed on creating a mobile native version of Gutenberg, which is super cool, (and has exciting implications for how quickly we can bring the next phases of Gutenberg to the mobile apps), but unfortunately doesn't leave them with much time for handling Gutenberg compatibility in the current mobile editor.

For now, I've opened issues for the Android and iOS apps, to redirect editing Gutenberg posts to the site, rather than using the mobile editor. This isn't ideal, of course, but it's just a temporary measure to ensure you can't accidentally wipe out the formatting on your post. Once the mobile native version of Gutenberg is ready for wider testing, this can be turned off.

I'd expect to see updates on the make/mobile blog as mobile native Gutenberg becomes available for testing. 🙂