The BritBox app is available AndroidTV or GoogleTV streaming devices that run Android OS 5.0 and above, including Google Chromecast TV and set-top boxes such as NVIDIA Shield.
These are the steps:
- From the Android TV Home screen, scroll to "Apps."
- Select the Google Play Store app
- Browse or search for the BritBox app
- Select the app
- To install the app or complete your purchase, follow the on-screen instructions