title: Difference between having intent.category.HOME alone in AndroidManifest.xml and also with intent.category.DEFAULT at the same time
body: <p>What are the differences between:</p>
  
  <pre><code> &lt;intent-filter&gt;
       &lt;action android:name="android.intent.action.MAIN" /&gt;
       &lt;category android:name="android.intent.category.HOME"/&gt;
   &lt;/intent-filter&gt;
  </code></pre>
  
  <p>and:</p>
  
  <pre><code> &lt;intent-filter&gt;
       &lt;action android:name="android.intent.action.MAIN" /&gt;
       &lt;category android:name="android.intent.category.HOME"/&gt;
       &lt;category android:name="android.intent.category.DEFAULT"/&gt;
   &lt;/intent-filter&gt;
  </code></pre>