The default value for <code>android:required</code> if not declared is
<code>"true"</code>.</p>
  </dd>

  <dt><a name="glEsVersion"></a><code>android:glEsVersion</code></dt>
  <dd>The OpenGL ES version required by the application. The higher 16 bits
represent the major number and the lower 16 bits represent the minor number. For
example, to specify OpenGL ES version 2.0, you would set the value as
"0x00020000", or to specify OpenGL ES 3.0, you would set the value as "0x00030000".

  <p>An application shoul