A free program for Android, by Avira.

You can now use the Avira Phantom VPN Proxy app for free.  You won’t need to pay a subscription fee or pay for an expensive service to secure your network.

This VPN proxy service is the best VPN service for Android and allows you to bypass regional restrictions, access geo-restricted content, and secure your network at no cost.

It is easy to use and can be used in a variety of situations, including when you are connected to a public Wi-Fi hotspot, when you are using a cellular connection, and when you are connected to the Internet via a home router.