With gross sales on PC and Xbox One of over US$1 billion, Black Desert can be definitely considered a successful MMORPG. Since other titles made the same move in the last years, it is not surprising that this game will launch for both iOS and Android devices later this year as Black Desert Mobile.
https://www.notebookcheck.net/Black-Desert-Mobile-coming-to-Android-and-iOS-later-this-year.416135.0.html