https://qooah.com/2012/04/25/%e9%ad%85%e6%97%8f%e5%85%a8%e6%96%b0%e6%89%8b%e6%a9%9f%e5%85%ad%e6%9c%88%e5%8d%87%e7%b4%9a-flyme-os-1-0-%e7%b3%bb%e7%b5%b1android-4-0/