  <h4>Identifying App Installations</h4>
      <p>It is very common, and perfectly reasonable, for a developer to want to track individual
installations of their apps. It sounds plausible just to call TelephonyManager.getDeviceId() and use
that value to identify the installation. There are problems with this</p>
    </a>
    
    <a
href="http://android-developers.blogspot.com/2011/11/making-android-games-that-play-nice.html">
      <h4>Making Android Games that Play Nice</h4>
      <p>Making a game on Andr