Yes, NBA 2K19 has MFi controller support!
NBA 2K19 on iOS does support controllers and is compatible with the MFI standard.
NBA 2K19 continues to push limits as it brings gaming one step closer to real-life basketball excitement and culture.
NBA 2K19 for mobile is packed with new features including STORY mode and online match play, available for the first time! Features: All new STORY mode - Experience the history of some of the most famous NBA franchises and players.
MyCAREER mode with all new story and refined team interaction.
2K Beats - A brand new soundtrack accompanies you in your journey to the top of the NBA, featuring songs from Travis Scott and more! Simplified controls for more immersive and responsive gameplay!
NBA 2K19 supports MFi controllers.