SEGA just releases Sonic Forces: Speed Battle on mobile platforms.
Sonic Forces: Speed Battle is a real time multiplayer game with opponents from across the world. It is free to play and has in app purchases. It is optimized for the iPhone X as well from launch. Speed Battle has been developed by HARDlight who made Sonic Jump and Sonic Dash. Watch the behind the scenes for it below:
Sonic Forces: Speed Battle is available free on iOS and Android device.