 <p>PayPal has a great mobile experience and it will automatically switch to that if using a mobile device. How do you have PayPal integrated now? Are you just using a standard button? How long ago did you create it?</p> <p>If you take a look at www.givemobiley.org you'll see a good example of PayPal in a mobile experience. I developed that with jQuery Mobile, and I used the Express Checkout API with PayPal.</p> <p>If you load the demo on your computer you'll see the experience you expect there, and if you load it on your mobile device you'll see the experience you'd expect there.</p>