…bottom of the screen is very good and makes much more sense than the back button at the top on iOS, there is no global gesture like horizontal swipe from left to right to come back to the previous screen, which I was accustomed to use.
Good design is invisible. It’s like the air conditioning in the room. If you’re aware of the air conditioning, it’s probably because there’s something wrong. It’s too cold, too warm, too noisy, or it’s leaking. The best air conditioner is one you don’t know about.