At the end of this chapter, you have learned every advanced feature that IBM Worklight contains. Worklight API, push notification overview and implementation details, and concepts of offline access and encrypted cache were covered. Besides this, JSON store has the most diverse mechanism to allow local storage, and it enhances the mobile application functionalities in a much more optimum and efficient way. This chapter also provides Worklight client-side API, which is recommended by IBM as a best practice.