The Genesys Callback Push Notifications iOS Sample Code demonstrates how to send asynchronous messages (push notifications). While iOS uses APN (Apple Push Notifications) and Comet, Android employs GCM/C2DM and Comet.
Moving to make their rapid application development platform as widely accessible as possible, Mendix today launched Mendix AppCloud. Announced at the Mendix World 2014 conference, AppCloud is an implementation of the company's platform-as-a-service (PaaS) environment that is used for rapidly developing applications on a cloud platform managed by Mendix. In addition, Mendix also announced that it is making available a free community edition of its PaaS environment that small teams of up to 10 developers can use to build applications.
Since the Heroku Platform API v3 hit the market over two years ago, Heroku has announced the official sunset date for v2. On April 15, Heroku will no longer provide access to v2. Prior to the 15th, Heroku will stop supporting auth in query string for security purposes. Prompt migration is necessary.