Android is a software stack for mobile devices that includes an operating system, middleware and key applications.
The Open Handset Alliance, a group of more than 30 technology and mobile companies, developed Android: the first complete, open, and free mobile platform. To help developers get started developing new applications Android Software Development Kit is being offered.
Android will ship with a set of core applications including an email client, SMS program, calendar, maps, browser, contacts, and others. All applications are written using the Java programming language.
It is said that Android is about advertising not enterprise