Long story short, no, Orbot is not a VPN for your Android phone. What this project manages to do instead is bring Tor functionality to Android phones. It's optimized for these devices, so you can rest assured that it's not just some port. Orbot lets you connect to the Internet in a secure, private manner.

Does Orbot make you anonymous?

If you're concerned about the openness and security of your Android device, an app called Orbot can now encrypt your data for total anonymity.

What does Orbot app do?

Orbot is a free proxy app that empowers other apps to use the internet more securely. ... ACCEPT NO SUBSTITUTES: Orbot is the safest way to use the Internet on Android. Period. Orbot bounces your encrypted traffic several times through computers around the world, instead of connecting you directly like VPNs and proxies.