请英文好的朋友帮助翻译一下句子。关于智能手机系统市场占有率的分析。

As shown in the chart, android and iOS are the two mainstream smartphones currently in the market. But different from the iOS system, as android system has been promoted by many smartphone companies, it makes that the android system take the number 1 position in terms of market share. The market share of Symbian system has decreased significantly because it has been stopped the further development.