You're right, and I've thought that before, myself. There's now a .4 second delay between your turn and the computer's, which makes quite a difference. I don't really want it much higher, because a short delay makes it flow, and feel like you're playing along with the computer. I'm not sure what kin...

Simple. Sideways for smartphones and I guess if you've got your desktop monitor vertical. It doesn't matter, though.