The first beta of a future tvOS 10.2 software update is now available to members of the Apple Developer Program and can be deployed through the Software Update mechanism on any fourth-generation Apple TV with an appropriate configuration profile installed. tvOS 10.2 beta (build 14W5222d), a developer-only release, includes new features, bug fixes and improvements in the operating system and the SDK.
tvOS 10.2 beta 1 seeded to developers