Macromedia® Flash® Lite™ 1.0 and Macromedia Flash Lite 1.1 software from Adobe®, the first versions of Flash Lite, are based on Macromedia® Flash® Player 4 software from Adobe. Macromedia® Flash Lite 2.0 and Macromedia Flash Lite 2.1 software from Adobe, along with Adobe® Flash® Lite™ 3.0, are based on Macromedia Flash Player 7 from Adobe, but differ from it in the following respects:

• Flash Lite supports some features only partially.
• Flash Lite adds some features specifically for mobile devices.

This document describes the differences between the ActionScript™ supported for Flash Lite 2.0 and 2.1 (which are referenced collectively as 2.x) and the ActionScript that was supported for Flash Player 7. It also describes the differences between the ActionScript supported in Flash Lite 2.x and Flash Lite 3.0. Wherever applicable, this document includes cross-references to the following documents that provide additional details about the various classes and how to use them when writing Flash Lite applications:

• Flash Lite 2.x and 3.0 ActionScript Language Reference
• Developing Flash Lite 2.x and 3.0 Applications
• Learning ActionScript 2.0 in Adobe Flash