These three new devices announced by Samsung at Mobile World Congress are each intended to occupy different spaces in the mobile market. The Galaxy Mini 2 is a diminutive little smartphone with pretty unimpressive specs, but it is aimed at the entry-level crowd where it may fare well. The 3.27-inch small handset sports a single-core 800mhz processor, Android 2.3.6 Gingerbread with TouchWiz, a 3.2 megapixel camera and a positively terrible HVGA display. It feels odd to use the word “terrible” whe...