Maybe a gyroscope is an option? Google Cardboard worked that way, it is good enough to choose between some menu items or to pull up a notification. For me, nav

Maybe a gyroscope is an option? Google Cardboard worked that way, it is good enough to choose between some menu items or to pull up a notification. For me, navigation is the killer app, I would love that when I am cycling. Give me an interface to skip around in my podcast playlist and I am happy.