The most recent update of this application was released on Jul 28, 2019 and Yoga VPN was downloaded by over 10M users. There are adverts in the app. Use the opportunity to download the .apk installer of Yoga VPN 3.0.017 for free and have a look at users' reviews on Droid Informer. The installer occupies 10 MB of disk space and it runs on Android devices 4.1 and above.
As users mention, the strong side of the app is a user-friendly interface. From the users' point of view, the major disadvantages of this application are speed issues, slow performance and ads everywhere.