Op probably meant apps on mobile phones, not special purpose gaming handhelds (which have been defined by simple mechanics usable in touchscreens, and the most

Op probably meant apps on mobile phones, not special purpose gaming handhelds (which have been defined by simple mechanics usable in touchscreens, and the most profitable / popular of which use loot crate mechanics to exploit whales). There's an argument that the distinction isn't meaningful, sure, but I definitely think it is.