Intended for experienced game programmers, this guide introduces Java 2 micro edition (J2ME) and Sun's mobile information device profile (MIDP) 2.0 standard for creating games that will run on mobile phones and PalmOS PDAs. It describes MIDP's virtual machine functionality, the major handset-specific SDKs and third-party packages useful to game developers, different ways to display bitmap graphics, functions for drawing text and geometric graphics, the MIDP GUI, and the features new to the Game API.