Android Development: Android apps developments include Android SDK, Android Native Development kit (NDK), Android DT (ADT) and it is based on Java programming language. iOS Development: Apple’s iOS development includes iPhone SDK and Cocoa Touch technology based on Objective C coding standards. Blackberry Development: Blackberry mobile operating platforms include JAVA ME and Blackberry SDK technology which is based on java. Windows Development: Windows app development comprised of .NET compact platform which is based on C++, C# and Visual Basic coding. Symbian Development: Symbian apps development proceeds on Symbian operating system which is based on C++ programming language.