"Smartphone growth is expected to rise, helped by price reductions from competing manufacturers," notes The Next Web. "By 2015, two thirds of all open OS devices will have an average selling price of $300 or less, ensuring Android shipment volumes remain high for mid to low-cost smartphones, driven by orders by consumers in emerging markets." Open OS devices include BlackBerry OS, iOS, Symbian, Android, Windows Phone -- or any platform with a development SDK and APIs -- and Gartner predicts that sales of such handsets could surpass 1 billion units by 2015, accounting for 47% of the total mobile device market.