The best VPN app for Android devices is SSHL/SSLH, which you can download and install for free. SSHL/SSLH is a VPN service that can tunnel messages through a variety of different proxies.

What benefits can you get from utilizing this app?
Minimal and without exaggeration
Minimal RAM usage
Little battery use.
The file size is less than 1 MB.

To do troubleshooting:

When connected, but unable to navigate:
By deactivating included DNS, you might attempt to remove DNS from the route.

A DNS leak?
DNS leaks can be stopped by turning off DNS.

To make audio and video calls, an SSH server that supports UDP Forwarding/UDPGW is required. The default UDPGW Port for the clients is set to 7300.