ViewSonic was showing off it's new range of dual-SIM Android phones today, and we got the chance to spend some time with the range. The ViewPhone 4e is a low-end Android 2.3 Gingerbread smartphone. It has a 3.5-inch HVGA (480 x 320) display, a 3-megapixel rear camera and is powered by a 650MHz single-core SoC. It's scheduled to launch in Europe in Q2 2012 for less than $399 off-contract. Check out the hands-on gallery below, and we've put together all the smartphones announced by ViewSonic at Mobile World Congress today using our comparison tool.