Shortcut Tiles can be used to link to some Apps on Android and iOS, provided the App's developer has registered "intents": special URL prefixes.
For example, you may be able to open a Pandora, Spotify, or Nest channel with a shortcut link of the form:
nestmobile://cameras/abc1234Where "abc1234" is your Nest Camera ID
For Android users, a special technique can be used to launch Apps via their "registered intents":
Some Additional iOS Examples:
Customer Peer Support Topic
This public Topic has some extra help for Android Apps:
Customer support service by UserEcho