BARCELONA, Spain–With another 2 billion people hooking up to the Internet in the next five …

Though most of the big players chose Sunday or Monday to make news and drop their newest devices, Day 2 of Mobile World Congress didn’t slow down in the least. Mobile operating systems have long been a popular theme at the word’s biggest wireless trade show and the 2013 confab is no exception. Sunday brought us the announcement of the …

Now playing: Watch this: Huawei’s Ascend P2 shows off its Android styling in hands-on… 2:05 BARCELONA, Spain–“They call me the UI guy.” This is Dennis Poon speaking, Huawei’s global UI design director for device-maker, and the man in charge of the new Emotion UI interface that all but completely re-envisions Android on smartphones. Sporting a textured brown blazer and collapsing …