Creating the first hello cordova app using cordova can be achieved by just following 4 simple steps, before which ensure that Apache Cordova is installed and Android Virtual Device (AVD) is available in your system else refer Installing Cordova to install.
The below article get you through installing Apache Cordova using command line interface. We can develop mobile applications for different mobile platforms (iOS, Android, Blackbeery, Windows Phone, Palm WebOS, Bada, and Symbian) using HTML5, CSS3 & Javascript without worrying about writing native code for each platform. As Apache Cordova provides powerful Javascript APIs which are consistent across multiple device platforms and built on web standards, the app should be portable to other mobile platforms with minimal to no changes.