Acer's low-end Iconia B1-A71 Android tablet made its debut at CES 2013, packing a dual-core 1.2GHz Mediatek processor and 8GB of internal storage. A few months later here at MWC, the company is introducing a 16GB model of the 7-inch Jelly Bean slate, and it's on sale immediately for €139 (compared to €119 for the 8GB version). The higher storage capacity is the real story here; otherwise, you're looking at the same 1,024 x 600 display, 0.3-megapixel camera and lightweight plastic build. Like the version announced at