As well as the Orb and other enhancements in Omnisphere 1.5, theres the TR - its an app for iPad which gives you control over Omnisphere. Load patches, mute, select solo, balance as well as detailed control with of course a touch version of the Orb which really does make a lot of sense.
Eric Persing demonstrates what you can do, although we were right up against the final minutes of the NAMM show, they shut us down right at the end, but we saw enough to know that this looks like a killer addition.