We just used the Expedia Affiliate Network from http://www.Mashery.com http://www.Mashery.com or http://www.ean.com http://www.ean.com to build a simple jQuery

We just used the Expedia Affiliate Network from http://www.Mashery.com http://www.Mashery.com or http://www.ean.com http://www.ean.com to build a simple jQuery Mobile app that did hotel search - you can even earn money from it with affiliate ids. We didn't try to build anything with flight or rental car though.