Saw this on the PSN blog. It looks like Playstation found it's response to the WiiU's gamepad feature. I don't currently own a vita but depending where they go with this it might be worth looking into. What are your thoughts?
Playstation Looking to use Vita like a WiiU game pad
As with a lot of things Sony does, you COULD do it. To be honest I think much like motion controls ..maybe be less so...there will not be a need to use the functionality. My theory with all systems is that you should try to make sure you PC, console, whatever can do as much as possible; yet it should all be optional in terms of what developers utilize. If Sony were smart they would create a Android, iOS, Windows Phone 7 application that the PS4 can talk to that use wi-fi, Bluetooth NF, and IR. That way any tablet, smartphone or laptop can act as a secondary control, secondary screen, or whatever. Nothing new to buy in most cases for most people; if you don't own a tablet, smartphone, or even a laptop then you probably would care anyway. The idea is to make it super flexible and have a middle-ware system for PS4 that nearly any developer can use that provides low latency video, low latency controller input. Yet, it should be robust enough to use the cameras, GPS, and any other sensors on the phone too.
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