https://qooah.com/2012/11/02/ouya-%e9%81%8a%e6%88%b2%e4%b8%bb%e6%a9%9f%e5%b0%87%e8%b7%b3%e9%81%8e-android-4-0-%e7%b3%bb%e7%b5%b1%e7%9b%b4%e6%8e%a5%e4%b8%8a-jelly-bean/