Less than six months after Samsung's exploding phone debacle the company is at Mobile World Congress in Barcelona, Spain. MWC has sometimes been the venue where Samsung's announces updates to its flagship Galaxy phone brand, but after the exploding phones, and with the company's chief in the clink, a decision was clearly made to focus on something a little less dramatic than Samsung's anticipated return to phones. So Samsung announced a new Windows 2-in-1 and an Android tablet instead.