Android (GOOG) refuses to slow down, Windows Phone (MSFT, NOK) continues making modest progress, and the gap between the iPhone's (AAPL) U.S. and European numbers continues to widen. Those are some of the takeaways from Kantar's latest smartphone share data. For the March-May period, Android's U.S. share is pegged at 52% (+10 bps Y/Y), its EU5 share at 70.4% (+1010 bps), and its Chinese share at 71.5% (no Y/Y data). The iPhone's U.S. share is at 41.9% (+350 bps), its EU5 share at 17.8% (-140 bps), and its Chinese share at 23.6%. Windows Phone's U.S. share is at 4.6% (+90 bps), its EU5 share at 6.8% (+250 bps), and its Chinese share at 2.9%. IDC estimated Android (stronger in emerging markets) had a 75% global share in Q1, the iPhone 17.3%, and Windows Phone 3.2%.