https://qooah.com/2012/10/05/%e5%82%b3%e8%a8%80-samsung%e3%80%81htc%e3%80%81lg-%e4%bb%a5%e5%8f%8a-sony-nexus-%e7%b3%bb%e5%88%97%e5%b0%87%e6%9c%83%e5%9c%a8%e7%a7%8b%e5%a4%a9%e6%8e%a8%e5%87%ba-2/