This document provides an introduction to creating hybrid mobile apps using Ionic and connecting them to IBM Domino. It discusses what hybrid apps and Ionic are, how Ionic uses AngularJS and Cordova to build cross-platform apps, and how to connect an Ionic app to Domino for data via REST. It also covers setting up an initial Ionic app, common UI components, testing and deploying Ionic apps, and additional services like push notifications. The document demonstrates building a basic Ionic app and extending it to retrieve and update real data from a Domino backend over REST.