Previously featured in a successful Kickstarter campaign, the Sensus case was the star attraction at Canopy’s 2013 CES booth. Wrapping around the body of an iPhone 4/4S—the iPhone 5 version’s still in prototype form—Sensus adds ten point touch sensitivity to the back and side of the iPhone, enabling you to control certain apps and games without obscuring the screen. Demonstrations of the technology included a simple shooter,…