Design only one view of the app.
You don’t need to design an app icon.
Show the day’s overview of key activity metrics. For example, steps taken, average heart rate, lowest heart rate, highest heart rate, distance travelled, time sitting, time standing, time moving, etc.
Show a way to share a piece of activity data (you can assume the user has the necessary device to record the data you want to show.)
Show some information about the user like name or picture.
Show badges for special accomplishments.
Show indications to help a user share activity.