There is also a web port of it you can play in the browser, works surprisingly well on mobile: https://d07riv.github.io/diabloweb/
2) iOS brought in more than 67% of the revenue last year… it’s no wonder why apps are generally higher quality
It makes testing and making sure everything works vastly easier across the range of devices when you don't have literally thousands of possible devices to account for.
Then there's the monopolistic and highly curated app store.