On the Android version of the companion app, all of the navigation is at the top of the screen, unlike the iOS version. This puts it further away, which can be a little harder to get at while on a ride. Worse, tho, is that it all gets covered up by the chat pop-down if you’re anywhere other than the messaging screen.
On larger social rides, this can get you stuck while you wait for a gap in the conversation that might not come. While you can swipe side-to-side on the “game screens” (mini-map, dashboard/workout, Zwifters, messages), if you go to any of the others, that isn’t an option.