title: Settings > Language & input > Pointer speed - why do we need this menu?
body: <p>I am using ICS android phone.
  I can see <strong>pointer speed</strong> menu, at <code>Settings &gt; Language &amp; input &gt; MOUSE/TRACKPAD.</code></p>
  
  <p>Is this menu necessary?
  why do we need this menu?</p>