Earlier last month, there were reports that Samsung is shutting down its Milk Music radio service. Later that month, the shutdown was confirmed, at-least by the Australian Milk Music team. However, looks like Samsung hasn't yet completely given up on the service, as it has now been launched in China.
Focusing on local content (over a million tracks accessible) at the moment, the app is currently only available for download on the Galaxy S7, the Galaxy S7 edge and the A9 Pro smartphones in China. However, reports say that international content as well as availability on more devices will follow.