This document discusses how mobile cloud services can accelerate mobile application development. It describes a TODO list application called BlueList that was developed using Swift and leverages the Mobile Data service on Bluemix for data storage. It also provides an example of a more advanced e-commerce application called Amazing Apparel that incorporates additional features like social login, push notifications, location services, integration with third-party APIs, and analytics. The document outlines how these applications use various Mobile Cloud Services on Bluemix to handle tasks like user authentication, data storage and access, push notifications, and analytics collection.