OZ VPN is a free VPN for Android that claims to be fast, secure, and easy to use. With this app, you can hide your real IP address and change it to one of over 50 countries, including Germany, Russia, and the USA. OZ VPN also allows you to open filtered and country-restricted apps and sites.

The app is designed for WiFi hotspot and mobile use and is optimized for streaming. OZ VPN promises to be a secure VPN and doesn't keep logs. The app is constantly improving, and the developers claim that it is the fastest and newest VPN for Android.

Overall, if you're looking for a free and fast VPN for your Android device, OZ VPN is worth checking out. It's easy to use and offers a variety of features, including the ability to change your IP address and access restricted apps and sites.