Activision launched its own version of battle royale for smartphones and naturally, it's called Call of Duty: Warzone Mobile. This is a separate game from the well-known Call of Duty: Mobile. The latter provides a single and traditional multiplayer experience, while Warzone focuses on the battle royale genre. Of course, players can still join standard multiplayer servers, but only when they've played a couple of Warzone games first. Interestingly, progression on weapons, XP points and achievements are shared across all platforms, as long as you log in with your Activision account....
Source: https://www.gsmarena.com/call_of_duty_warzone_mobile_is_now_available_on_ios_and_android-news-62134.php
