ComScore has published its latest charts for US mobile subscribers, including splitting out smartphones by platform, to show what handsets people are actually using. comScore claims that Android increased its smartphone market share from 50.9% in May 2012 to 52.6% in August, while iPhone grew from 31.9% to 34.3% in the same period. That’s 86.9% between Google and Apple, who continue to carve up the market. Poor Research In Motion saw its share slide further, from 11.4% in May to 8.3% in August, while Windows Phone dipped from 4% to 3.6% in the same period. More generally, comScore says that 28.3% of all US mobile subscribers (smartphones and not-so-smartphones) now listen to music on their handsets, up from 27% in May.