iOS Application Development: Android Application Development: Window Application Development: iPhone Software Development Kit (SDK) Android Software Development Kit (SDK) Visual Studio 2003/2005/2008, EVC++4 XCode IDE OpenGL API IMAPI (Emails and SMS) Interface Builder Location API Web services/SOAP/XML Cocoa & Objective-C SQL Lite Database Windows Media Player for Audio and Video Location API Multimedia API .Net based platform Safari Web Kit Extensions Java / J2ME SQLite, Core Animation, XML/HTTP OpenGL ES, AL Android NDK Core Audio, Animations, Graphics WebKit Programming Accelerometer, GPS and Core Location Framework