[ Thanks to swetna for this link. ]
“Unity provides a complete, simple, touch-ready
environment that integrations your applications and your workflow.
Unity is designed for netbooks and related touch-based devices.
“It includes a new panel and application launcher that makes it
fast and easy to access preferred applications, such as the
browser, while removing screen elements that are rarely used in
mobile and netbook computing.This tutorial will explain how to run
unity under virtualbox.”