Currently eXo Mobile supports iPhone, iPad and Android. You can search the apps in your device vendor's store using "exo platform" keyword.
The app enables you to connect and collaborate on the go. It brings to you activity streams, documents and a dashboard.
Here's a brief information of eXo Platform Mobile apps:
Free
License: OSS License
Current version: 2.5
Supported Platforms:
iOS 7+
Android 2.3+
In this guideline: