title: How to implement the Paypal Mobile Express Checkout..?
body: <p>I need a guidance to implement the Paypal Mobile Express Checkout in PHP.</p>
  
  <p>I am looking for sample code, and documentation, to implement it. </p>
  
  <p>Please advise me.</p>
  
  <p>My site was lacking this functionality, so I need a quick response from an expert.</p>
  
  <p>Thanks in Advance.</p>