title: How show informations in app icon on Windows Phone?
body: <p>I'm developing a windows phone 8.1 app.</p>
  <p>I would like, that when the user fixed my app on start screen, the icon show some informations. Like the calendar app.</p>
  <p>I haven't found way for make this. Someone can help me?</p>
  <p>Example on the calendar app:</p>
  <p><a href="https://i.stack.imgur.com/okx8Q.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/okx8Q.png" alt="Wpf" /></a></p>