Latest release from guardianproject.info/apps/

This release does not have a Play Store Description, so we grabbed one from version 16.0.3:

Orbot is a free proxy app that empowers other apps to use the internet more securely. Orbot uses Tor to encrypt your Internet traffic and then hides it by bouncing through a series of computers around the world. Tor is free software and an open network that helps you defend against a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security known as traffic analysis.

*** Android 4.0 and lower, you can download older versions from guardianproject.info/releases/ or through the FDroid.org open app store at f-droid.org. The last release with KitKat and older support is: guardianproject.info/releases/Orbot-v14.1.4-UpToKitKat-nonPIE.apk ***

*** SAMSUNG GALAXY USERS ***
On some devices, aSamsung app is listening on the same network port that Orbot needs. Download 'SockStat' from Google Play. Look for the app on port 9050. Force stop and disable that app. You can also try to change Orbot's "Tor SOCKS" setting under the Debug section to 9051 or AUTO. You can see the fix in this video: www.youtube.com/watch?v=yK-nK4F67_g
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Orbot is the only app that creates a truly private internet connection. As the New York Times writes, “when a communication arrives from Tor, you can never know where or whom it’s from.” Tor won the 2012 Electronic Frontier Foundation (EFF) Pioneer Award.

★ 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. This process takes a little longer, but the strongest privacy and identity protection available is worth the wait.

★ PRIVATE WEB SURFING: Use with Orfox, the most anonymous way to access any website, even if it’s normally blocked, monitored, or on the hidden web. Get Orfox: play.google.com/store/apps/details?id=info.guardianproject.orfox

★ PRIVACY FOR APPS: Any installed app can use Tor through Orbot's built-in VPN

★ PRIVACY FOR EVERYONE: Tor can help you confidentially research a competitor, get around someone blocking your favorite site, or circumvent a firewall to watch sports at work.

★ PRIVACY MADE EASY: Check out our fun, interactive walkthrough: guardianproject.info/howto/browsefreely

★ IT’S OFFICIAL: This is the official version of the Tor onion routing service for Android.

***We Love Feedback***
★ ABOUT US: Guardian Project is a group of developers that make secure mobile apps and open-source code for a better tomorrow.
★ OPEN-SOURCE: Orbot is free software. Take a look at our source code, or join the community to make it better: gitweb.torproject.org/orbot.git or github.com/n8fr8/orbot
★ MESSAGE US: Are we missing your favorite feature? Found an annoying bug? We’d love to hear from you! Send us an email: [email protected]

***Disclaimer***
The Guardian Project makes apps that are designed to protect your security and anonymity. The protocols that we use are widely regarded as the state of the art in security technology. While we are constantly upgrading our software to combat the latest threats and eliminate bugs, no technology is 100% foolproof. For maximum security and anonymity users must utilize best practices to keep themselves safe.