1. Graphic design for App UX interfaces. 2. GPS integration for location tracking. 3. Developed web services in XML and JSON. 4. Data retrieval through RESTful API's for return value. 5. In App purchases. 6. iAds and Admob ads for iphone apps affiliate marketing. 7. Paypal and integration of other payment methods. 8. Facebook and integration of other social media platforms. 9. Strong knowledge of Xcode, Objective-C, Cocoa Touch frameworks 10. Expert knowledge of MongoDB, MySQL, PHP and LAMP stack