https://qooah.com/2011/11/17/android-%e7%ac%ac%e4%b8%89%e6%96%b9-rom-%e7%ab%b6%e8%b3%bd%e7%86%b1%e7%83%88%e9%80%b2%e8%a1%8c%e4%b8%ad-%e6%9c%80%e5%bf%ab-12-%e6%9c%88%e5%88%9d%e7%99%bc%e4%bd%88/