The best part is that your progress, stats and achievements can be synced between your phone and PC. There are around 85 games available and Google will probably keep adding more here.
In fact, all the games are free downloads, although some of them do have in-app purchases. Games like 1945 Air Force, Blade Idle, Cookie Run: Kingdom, Genshin Impact and Evony: The King’s Return are available and free to play.