What is the Psiphon application, how does it work?

According to the introduction of Psiphon Inc., Psiphon is a Communication app on the Android platform. There is currently a 262 version released on Mar 18, 2020, you can see the details below.

Access Everything on the Open Internet with Psiphon


Millions of people in over 200 countries around the planet are already connecting to the Internet using Psiphon, the most robust circumvention tool on the web. Psiphon facilitates access to websites and services which are censored, blocked, or otherwise unavailable, no matter where you are in the world. Whether you can’t access your favourite news broadcast today, or want to provide an extra layer of protection when using public wi­fi services, Psiphon is the best tool for accessing the open Internet.

Features:
• Free for personal use.
• Easy to download and install. No registration, subscription, or configuration required.
• Automatic selection of protocols to provide effective, reliable circumvention every time.
• View how much traffic you have used with in­app stats tracking.
• Psiphon is an open­source project subject to credible security auditing and open review. To find our source code and design documents, visit the project homepage: https://bitbucket.org/psiphon/psiphon-circumvention-system

This version of Psiphon may not be available in every country. Please try Psiphon Pro:
https://play.google.com/store/apps/details?id=com.psiphon3.subscription