https://qooah.com/2015/06/24/sony-%e6%94%be%e5%87%ba-android-m-%e9%96%8b%e7%99%bc%e8%80%85%e9%a0%90%e8%a6%bd%e7%89%88-%e4%bd%a0%e6%9c%89%e6%95%a2%e8%a9%a6%e5%97%8e/