Live TV App Fernsehen by GAGA TV is a free Android application that allows you to watch German television channels without any subscription or registration. With this app, you can access all the German TV channels in one place, without any hassle.

The app offers various features, including the ability to watch live TV, a 14-day TV program guide, and top-rated movies for the next seven days. Additionally, you can add movies and TV shows to your favorites list and receive a notification ten minutes before the show begins.

Live TV App Fernsehen supports all public broadcasting channels, including Das Erste (ARD), ZDF, and WDR, without any charges. However, a one-time registration is required for the ProSieben group channels. Unfortunately, the RTL group channels, including RTL, RTL2, VOX, and RTL Nitro, are not currently supported.

Another great feature of this app is that it supports Chromecast, which means you can watch all the TV channels on your TV for free using the GAGA TV app.

Overall, if you're looking for a free and convenient way to watch German TV channels, Live TV App Fernsehen by GAGA TV is an excellent option.