It's no secret that more and more people are opting for touch-based smartphones and tablets as their computers of choice: iPads, iPhones, Androids, now BlackBerrys, and soon <a href="http://www.infoworld.com/d/mobile-technology/watch-out-apple-windows-8-could-trump-the-ipad-172971">Windows 8 PCs and tablets</a>. For developers, touch-based systems means grasping a whole new set of guidelines, including understanding their audience's new context and careful interface design, say prominent developers in the touch space.
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Early returns on the <a href="http://www.infoworld.com/d/mobile-technology/google-unveils-whats-new-in-android-4-ice-cream-sandwich-176549">Android 4.0 "Ice Cream Sandwich"</a> software development kit have developers praising the unified perspective and capabilities of the Google mobile OS -- but their ability to test new apps is constrained by the lack of Android 4 devices, which also limits the market for apps that use the new OS.
Open source desktop project KDE has released the Plasma Active One UX: A touchscreen interface for smartphones, tablets, and devices such as set-top boxes, smart TVs, and in-vehicle infotainment.