e present on all
devices and a declaration was unnecessary.</li>
<li>The developer omitted the feature declaration accidentally.</li>
<li>The developer declared the feature explicitly, but the declaration was not
valid. For example, a spelling error in the <code>&lt;uses-feature&gt;</code>
element name or an unrecognized string value for the
<code>android:name</code> attribute would invalidate the feature declaration.
</li>
</ul>

<p>To account for the cases above, Google Play attempts to discover an
applic