title: iPhone : How to add different language settings in apps settings?
body: <p>I am developing app which contain more then one language.</p>
  
  <p>This app also contain section like <code>Change Language</code> containing different language options.</p>
  
  <p>So when one changes the language for example : English to Spanish. It needs to be changed in Spanish language.</p>
  
  <p>My app contains many custom button with different images and that is also need to be changed.</p>
  
  <p>How can I do that ?</p>
  
  <p>Which is the easiest way to do that ?</p>