When complete, the same Ubuntu code will deliver a mobile, tablet, desktop or TV experiences depending on the device it is installed on, or where it is docked.

ENGADGET: Touch-based Ubuntu preview coming February 21st, will work on Galaxy Nexus and Nexus 4

More importantly for Canonical, their partners, and end-users, this establishes the Ubuntu operating system on four screens: Tablet, desktop, phone, and TV.

FORBES: Ubuntu For Tablets Next Step In Creating 'Unified Experience For All Personal Computing'

Uniquely, on Ubuntu, developers can create a single application that works on the phone, tablet, PC and TV because it is the same system and all services work across all form factors.

ENGADGET: Ubuntu for tablets revealed with split screen multi-tasking, preview for Nexus slates coming this week