It's super easy to swap out any piece (or replace the whole UI) if you're willing to mess around on the device, but there's no way to do this from the UI as it

It's super easy to swap out any piece (or replace the whole UI) if you're willing to mess around on the device, but there's no way to do this from the UI as it stands, like you can with Android. I'm excited to see the solution to that problem.