Canonical has unveiled a new Ubuntu tablet interface today, which shares some of the Ubuntu Phone OS elements, but it also comes with new features such as a “Side Stage” which lets you use phone and tablet apps in the same time.
Side Stage is a new feature introduced with Ubuntu for tablets that allows users to “swipe through the right edge and you reveal phone apps running on your tablet. […] Any tablet app that supports the phone layout will also fit in the Side Stage. You can have it loose or split the screen between the tablet and phone layout”, says Mark Shuttleworth.