Official application is available here: https://play.google.com/store/apps/details?id=cz.ceskyrozhlas.iradio

The czech internet radio. Works in background, and from the widget on desktop. Mostly talks in czech. Very useful for those who likes that language and is eager to have a passive practice.

Very different topics are covered, including soccer, religion and politics. Stable 3G or WiFi signal is needed for application to work.

Everyone interested to contribute to this application development is welcome: http://code.google.com/p/cesky-rozhlas-android/

In addition to playing radio streams, this application provides:
1. An intuitive GUI
2. Listing thematic podcast feeds, and playing podcasts
3. Playback in background

Features, temporarily disabled due to compatibility issues:
1. Stream recording
2. Integration with system alarm clock
3. Simple widget with your favourite station for fast and simple playback start/stop.