German industry association Deutsche TV-Plattform has published a white paper on ADB2.
White Paper: How Zattoo uses the HbbTV OpApp for a Zattoo branded smart TV experience
The HbbTV Operator App specification is a tool which enables platform operators to equip compatible smart TV sets with a branded user interface.
White Paper: Zattoo adds HbbTV to Android TV box
Combining two major standards for interactive television, Zattoo will integrate HbbTV on its latest Android TV Operator Tier certified 4K/UHD set-top box.
UKTV ownership under threat in BBC White Paper
The government could force the BBC to sell off its stake in the commercial network UKTV.