title: Lost old keystore, need to sign the app with new keystore
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/4322367/i-lost-my-keystore-file">I lost my .keystore file!</a>  </p>
  </blockquote>
  
  
  
  <p>I have lost the old keystore for Android app published on Market. I don't want to republish it with different package.</p>
  
  <ol>
  <li>Can I get old certificate through signed original old apk?</li>
  <li>Can I signed the apk with multiple keystore?</li>
  </ol>