The article Getting Started with J2ME showed how to build a simple Hello World application using J2ME. This article takes up from where the previous article left off and shows how to build a complete application, a currency converter, using the J2ME framework. The currency converter is a simple, yet complete application that converts from Indian Rupees (INR) to US Dollars (USD).

Android is a open source operating system designed specifically for mobile platforms. Over the last few years Android is taking over the mobile market drastically. This article shows how to get started with Android.

Android applications can be created using the command line itself. Necessary tools are provided by the Android SDK. This article will demonstrate how to create a Android Application in the command line.

J2ME is a software used to develop applications for Java enabled devices like Mobile Phones and PDAs. For more information about J2ME refer J2ME in Wikipedia. This article explains how to write a simple hello world program in J2ME.