There are many different scenarios, where it can be useful to push data over the communication network to a mobile app. This spans from frequent updates of data to notifications which happens every few weeks. Such notifications can seriously improve the user experience and the usefulness of a mobile app.
Markus Kuhn, Software Engineering Consultant at bbv Software Services AG, speaks at the Jazoon’12 conference in Zurich. His session on June 28 gives a comprehensive overview of push communication for android apps.