title: Should I sign an APK that will be distributed just by side-loading
body: <p>I'll distribute and APK by email and/or web link.</p>
  
  <ol>
  <li>Should I sign it (Generate Signed APK) ? </li>
  <li>What are the advantages of having it signed if I won't deploy it on Play Store?  </li>
  <li>Why there are erros that just show when building a Signed APK?</li>
  </ol>