title: Integrate yahoo, Google and openid through android and iPhone application?
body: <p>I am designing an app for iPhone and android in which I have to integrate facebook, twitter, yahoo, gmail, openId. I had integrated facebook and twitter, but how to go for yahoo, gmail and openId? How to login these through app and get the user information?</p>
  
  <p>Please do show me a way to implement this. Any tutorial may help.</p>
  
  <p>Thanks. </p>