While some regions received it one day earlier, Diablo Immortal is now available globally for mobile players. The Open Beta version for Windows PCs is also surfacing today, although it will probably lose most of its players to Diablo 4 once that title hits the market (hopefully next year).
https://www.notebookcheck.net/Diablo-Immortal-hits-mobile-platforms-as-promised.624617.0.html