Maximum PC: It's safe to say that Steve Jobs was wrong about the 7-inch tablet category, which even Apple competes in these day (iPad mini). As times goes on, you can expect to see even more smaller size tablets enter the market place, including the 7-inch Wikipad, which is scheduled to launch in the Spring of 2013. The Wikipad is built on top of an Nvidia Tegra 3 SoC foundation and is essentially a smaller (and less expensive) version of its 10-inch sibling, though it's geared for gaming.
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here's a better look at it- https://www.youtube.com/wat...
What if a controller attachment was made for 7 inch tablets?
nexus 7
kindle fire
kindle fire hd
They all use the standard mini usb connection (I think, tell me if i'm wrong). There could be a controller made where you slide the tablet in and it connects with the mini usb slot and you have an instant handheld.