citrix secure hub cisco vpn client for android cisco client for android and it can be used as a VPN client. The Cisco ASA VPN client is a Cisco IOS-based VPN client that runs on the Cisco ASA firewall device and is available for Cisco IOS citrix Secure Hub apk is a powerful app for secure file sharing and collaboration. The app lets you securely share files and folders with your colleagues and clients and collaborate on them using Citrix Share File.