Oh hey, thanks for checking it out!
Yeah, I've realized that keyboard controls for platformers are too vague, so I think I'll give the player the option to choose an arrow key mapping or a wasd mapping at the beginning of the game. And the selection menu can show a picture of a keyboard with the relevant keys highlighted, so you know where to look. It's straightforward on a gamepad because the phone menu is just mapped to Y / Triangle.
I'll see if we can do crouch-walking in the future (I guess that would be crawling). Technically it would be easy, but I'm reluctant to add to the art backlog, so it's been low on the priority list. I know what you mean though, sometimes you get stuck under a tile and it feels like you should be able to just crawl out instead of dashing out.
Thanks, and good luck with Deadeye; seems like a really interesting game.