This document discusses securing mobile apps developed for Salesforce using Good Dynamics. It outlines Good Dynamics' container approach which provides encryption, policies and compliance controls, and additional application services to secure data. Good Dynamics components include client libraries, management controls, and infrastructure services. The document provides examples of how to implement secure storage and enforce custom policies in native, hybrid, and web apps using Good Dynamics APIs and plugins. It encourages mobile app developers to use Good Dynamics to securely develop apps for Salesforce.