This app is a VPN client for the last VPN protocol developed by Microsoft. The Secure Socket Tunneling Protocol (SSTP) is a mechanism to encapsulate Point-to-Point Protocol (PPP) traffic over an HTTPS protocol. This protocol enables users to access a private network by using HTTPS. The use of HTTPS enables traversal of most firewalls and web proxies.
Not affected by TLS heartbeat read overrun (CVE-2014-0160)
* EAP-TLS support (Authentication with certificates) * EAP-MS-CHAPv2 support * IPv6 support * Port knocking * Connect on demand * Auto connect on boot * Auto connect/pause/disconnect on WiFi/Mobile/WiMAX up/down * App filter (Require Android >= 5.0) * Tasker/Locale plugin * Widgets * Support for HTTP/SOCKS proxies * Support for customized HTTP headers * Backup/restore configuration
Join to the SSTP VPN Client community (https://plus.google.com/u/0/communities/107423754021932759425) and you will able to try the beta versions, read the news about the app and much more...