

This may be easier to do on your home network’s router. For instance, mine allows me to set it up as a VPN host, and also to connect to a VPN provider. It has the option to pass all of the connected clients through the connected VPN. So for instance, if I connect my phone to my home VPN, and my home router is connected to Mullvad, my phone’s traffic also gets passed through Mullvad.
The app has already been inactive for a while now. There hasn’t been any active development in several years. They clearly have no interest in continuing it, and just want to move on to other projects.