For Cisco AnyConnect and ocserv gateways, OpenConnect is your ultimate SSL VPN client.

The app is bundled with the following features:
- One-click connection via batch mode
- Support for TOTP software tokens and RSA SecurID tokens
- Keepalive function to avoid pointless disconnections
- Compatibility with x86, MIPS, and ARMv7 devices
- No root necessary
- Completely free; GPLv2+; open source; no advertisements
- Developed using the well-liked OpenConnect Linux package

To use this Android app, you must have an account on a compatible VPN server, as well as Android version 4.0 or higher with a VpnService + tun infrastructure. Setting up the app on your device is a breeze and requires no other special software to be done.