Registers this application to be a default handler for specified URI scheme name.
For example: if you specify myunitygame, your application can be run from other applications via the URI scheme myunitygame://. You can also test this using the Windows "Run" dialog box (invoked with Windows + R key).
For more information https://msdn.microsoft.com/library/windows/apps/hh779670https://msdn.microsoft.com/library/windows/apps/hh779670.