This document discusses hybrid mobile apps that can be built using Angular and the Ionic framework. Hybrid apps allow developers to build apps that can run on multiple platforms using web technologies like HTML, CSS, and JavaScript. The Ionic framework builds on Apache Cordova to provide access to native device capabilities and solve issues with supporting multiple screen resolutions. Developers can use Angular for features like data binding and services, and Ionic adds capabilities specific to building mobile apps like routing and UI components optimized for touch. The document provides instructions for setting up Ionic and Cordova and creating a basic sidemenu template project to get started developing hybrid mobile apps.