The same member zone as the desktop prototype, at 390 px. The step line shows the step name only. The summary is a sticky bottom bar with the total and the one button. Nothing here is a separate page for phones.
In the app, Register opens the member zone of the club inside the app, signed in with the app token. The close button returns to the app. Today the app opens the phone's browser.
The Govern side on a phone is in the static scenario 11 mock.