Everybody's Golf, Virtua Tennis 4 and Gravity Rush clips make grand claims for Vita

As you may've noticed, everything is happening all at once this week, with the combined weight of Gamescom's announcements and unveilings surely pushing human consciousness ever-closer to some sort of ludological Singularity point. Hence, here's a quick look at three titles unified by one theme: they're early releases for the PlayStation Vita, which want to make sure you know that Sony's new system