How to Sign Android APK
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file">How to sign an android apk file</a>  </p>
</blockquote>



<p>I am developing one application which is based on GPS. It displays the map correctly on my device, but when I install it on another device the map is not displayed.</p>

<p>How do I sign my app?</p>

<p>Thank you.</p>
