# Session Android [Download on the Google Play store](https://getsession.org/android) [Grab the APK here](https://github.com/loki-project/session-android/releases/latest) ## Summary Session integrates directly with [Loki Service Nodes](https://lokidocs.com/ServiceNodes/SNOverview/), which are a set of distributed, decentralized and Sybil resistant nodes. Service Nodes act as servers which store messages offline, and a set of nodes which allow for onion routing functionality obfuscating users IP Addresses. For a full understanding of how Session works, read the [Session Whitepaper](https://getsession.org/whitepaper). ![AndroidSession](https://i.imgur.com/0YC9TyI.png) ## Want to Contribute? Found a Bug or Have a feature request? Please search for any [existing issues](https://github.com/loki-project/session-android/issues) that describe your bugs in order to avoid duplicate submissions. Submissions can be made by making a pull request to our development branch. If you don't know where to start contributing , try reading the Github issues page for ideas. ## Build instruction Build instructions can be found in [BUILDING.md](BUILDING.md). ## License Copyright 2011 Whisper Systems Copyright 2013-2017 Open Whisper Systems Copyright 2019-2020 The Loki Project Licensed under the GPLv3: http://www.gnu.org/licenses/gpl-3.0.html