They're hosted on AWS and probably using server name indication (SNI) for their SSL. Android's version of HttpClient is outdated (and won't be upgraded [1]). Th

They're hosted on AWS and probably using server name indication (SNI) for their SSL. Android's version of HttpClient is outdated (and won't be upgraded [1]). This is why SNI is not supported in that library and this may be why they chose to use some dirty hacks [2] so that they can use SSL with HttpClient. [1] http://android-developers.blogspot.de/2011/09/androids-http-clients.html http://android-developers.blogspot.de/2011/09/androids-http-... [2] https://developer.android.com/training/articles/security-ssl.html https://developer.android.com/training/articles/security-ssl...