# Deprecated Android SDK

[This page](/content/docs/sdk_ref/android/prior-versions-android/index.html) outlines the differences between the deprecated release and the latest Android SDK release.

This documentation is for a version of the SDK that has been deprecated. To upgrade from deprecated versions of the SDK to the latest release, please contact your Phenix technical representative.

## Express APIs

Express APIs provide a simple, single-step API for the easiest integration of streaming into your application

- Channel (one to many) -> [Channel Express](/content/docs/sdk_ref/android/express-channel-2022/index.html)
- Group Broadcast (few to many) -> [Room Express](/content/docs/sdk_ref/android/express-room-2022/index.html)
- Group Chat (many to many) -> [Room Express](/content/docs/sdk_ref/android/express-room-2022/index.html)
- One to One Chat -> [Room Express](/content/docs/sdk_ref/android/express-room-2022/index.html)
- Publishing and subscribing -> [PCast™ Express](/content/docs/sdk_ref/android/express-pcast-2022/index.html)

## Low Level APIs

The following low level APIs are provided in the Android SDK:

- [Room](/content/docs/sdk_ref/android/sdk-room-2022/index.html) \- Use the Phenix platform to broadcast changes between all of your users
- [Chat](/content/docs/sdk_ref/android/chat-2022/index.html) \- Use the Phenix platform to send and receive chat messages between users
- [PCast™](/content/docs/sdk_ref/android/sdk-pcast-2022/index.html) \- Use the Phenix platform to Publish and Subscribe to streams

[PreviousRelease Notes](/content/docs/sdk_ref/android/release-notes/index.html) [NextVersion Comparison](/content/docs/sdk_ref/android/prior-versions-android/index.html)