The Infinity Blade or Minigore series, for example, or anything made by Illusion Labs. These games are genius and most consoles don’t even have a touch screen or utilise it well like some smartphone games do.
Also why do people look at me weirdly 👀 when I play games on my phone in public while waiting for something?
Cuz people like to play games with each other without ever needing any object, place, or particular reason. Its how we learn