We covered Acer's two Android devices at last week's show, but what in the world happened to its Windows Phone? It's easy to forget about the Acer Allegro because we haven't seen it show up beyond the reaches of Asia and France, but we hunted one down at Mobile World Congress and snapped a few shots for posterity. Intended to tempt bargain hunters, the device offers a 3.6-inch WVGA display, 1GHz single-core Qualcomm MSM8255 CPU, 8GB internal storage, 5MP rear camera with LED flash and a 1,300mAh battery. It also features Fast Charge, which provides the Allegro with
