The Backendless ActionScript SDK by Backendless calls the Backendless REST API which provides a platform to develop apps with. This platform includes services such as user management, app analytics, and geolocation.
Facebook has released Conceal, a set of Java APIs for fast encryption and data authentication. Conceal was developed to encrypt large data files (e.g., SD cards) on Android. With the release, Facebook targets older Android devices with less memory and slower processors. Facebook currently deploys Conceal to help protect users' private data and is now launching its functionality to the developer community.