https://qooah.com/2011/03/06/bbm-%e5%8d%b3%e5%b0%87%e6%8e%a8%e5%87%ba-android%e7%89%88%e6%9c%ac-%e6%98%afblackberry%e8%a8%88%e8%ac%80%e5%97%8e/