https://qooah.com/2013/05/12/%e7%a5%9e%e6%a9%9f%e8%90%ac%e8%83%bd%e5%88%b7-htc-hd2-%e6%88%90%e5%8a%9f%e9%81%8b%e8%a1%8c-firefox-os-%e9%99%84%e5%bd%b1%e7%89%87/