Let's face it -- smartphones (namely, iOS and Android devices) are slowly chipping away at the portable gaming market. If you recall, Apple took a nice slice of the market-share pie -- and as you'll notice in the picture above, we're seeing the same trend this time around. According to data from Flurry and NPD Group, iOS and Android are earning a sizable chunk of the revenue in the portable gaming software sphere, with the Nintendo DS's dominant market share dropping from 70 percent in 2009 to just 57 percent in 2010 to accommodate the newcomers. We may be seeing the d
