Asphalt 9 franchise has some of mobile's most popular racing games.

Asphalt 8: Airborne and Asphalt Xtreme were the big ones in the series. However, Asphalt 9: Legends came out in July 2018. This is the most recent game in the series now. It includes 50 cars, a bunch of challenges, and a bunch of content to play with. That includes online multiplayer, single player stuff, and more. The graphics are good and there are social elements as well. It's a freemium game. Thus, the online competitive aspect may be skewed a bit. However, the single player stuff is truly fun.
Asphalt 8: Airborne and Asphalt Xtreme were the big ones in the series. However, Asphalt 9: Legends came out in July 2018. This is the most recent game in the series now. It includes 50 cars, a bunch of challenges, and a bunch of content to play with. That includes online multiplayer, single player stuff, and more. The graphics are good and there are social elements as well. It's a freemium game. Thus, the online competitive aspect may be skewed a bit. However, the single player stuff is truly fun.