Company Rundfunk Berlin-Brandenburg created these great apps:
radioeins, Radio Fritz, rbb24 Inforadio, Antenne Brandenburg, rbbKultur, rbb 88.8, Unser Sandmännchen, rbb Mediathek, rbb24 Brandenburg Aktuell, rbb24 Abendschau, rbbtext, rbb|24, A100 VR, rbb 88.8-RADIOFLOW, Fontane, rbb serbski, and others..