From Forum Nokia Wiki

Adobe Device Central CS3 is a tool that allows you to test and debug mobile content in many formats. This tool appear in the market with Creative Suite 3 package from Adobe in April, 2007.

With Device Central, you can test:

• Wallpapers and Themes in many devices, including many Nokia's one.
• Flash Lite content. You cant test and debug them in an emulator.
• Mobile websites developed in XHTML MP, like the ones created in Dreamweaver CS3

Further Reading

• Device Central
• Device Central on Wikipedia
• Scope of Device Central