https://qooah.com/2012/05/26/intel-%e7%99%bc%e4%bd%88%e7%94%a8%e6%96%bc-x86-%e5%b9%b3%e5%8f%b0%e7%9a%84-andr%e2%80%8b%e2%80%8boid-4-0-%e7%b3%bb%e7%b5%b1%e9%8f%a1%e5%83%8f/