I have the same problem and I suggested that a portrait mode should be implemented I think it would be very practical for users who have the same problem and it can also be easier to play with one hand on Android and iPhone. Ι made a post you can check it if you want
The game is played in landscape mode and thus as I've seen on some other posts phones with curved corners have a problem with some unreachable buttons. I think that portrait mode would be very practical and solve that problem for many users.