The document provides an overview of using the i2D Cloud Service. It discusses managing accounts and apps on the server, creating apps using i2D XML, tagging and uploading apps, managing app metadata and user accounts, downloading the i2D Viewer app and editing settings, and downloading apps to an iPad. Users can create accounts and apps, upload apps to the server, associate tags with apps, and download apps to their iPads using the i2D Viewer app after entering login credentials.