ERF Mediathek is a free Android app developed by ERF Medien e.V. that allows users to easily access programs from ERF media. The app offers on-demand access to current episodes of popular program series such as "Mensch, Gott!", "Gott sei Dank", ERF worship, "ICF - Kirche neu erleben," and many others.

"Mensch, Gott!" features deeply touching and encouraging stories of people sharing their encounters with God. "Gott sei Dank" is a magazine-style show that features interesting guests, good music, and entertaining videos. ERF worship offers users the opportunity to refuel spiritually and enjoy community with Christians from other churches and congregations.

The app's features include a search function that allows users to find specific programs, a watchlist to save programs they want to watch or have enjoyed, and a livestream option for ERF Medien broadcasts. Users can also rate and recommend programs to others and share individual programs on social networks, email, and other platforms.

Overall, the ERF Mediathek app is a great way to access ERF media programs on-the-go, and its user-friendly interface and useful features make it a must-have for fans of the network's content.