title: Push Notifications without alert
body: <p>Can I get push notifications without alert view?
  The idea in what service for game will send notifications as response for change game state (may be game state will store in database), if this is impossible, what you can suggest about how me send new game state to each connected game client as response of changing game state.</p>
  
  <p>Game will be developing for iPad.</p>
  
  <p>Thanks,
  Roman </p>