https://qooah.com/2012/06/11/intel-%e5%b0%87-x86-%e6%99%b6%e7%89%87%e7%9a%84-andr%e2%80%8b%e2%80%8boid-apps-%e5%85%bc%e5%ae%b9%e5%ba%a6%e6%8f%90%e5%8d%87%e8%87%b3-95/