>
<li>When you declare <code>"android:required="true"</code> for a feature,
you are specifying that the application <em>cannot function, or is not
designed to function</em>, when the specified feature is not present on the
device. </li>

<li>When you declare <code>"android:required="false"</code> for a feature, it
means that the application <em>prefers to use the feature</em> if present on
the device, but that it <em>is designed to function without the specified
feature</em>, if necessary. </li>

</ul>

<p>