You can now try playing Slow Mole Jr right in your browser:
http://slowmole.chiplife.art/
It's also up on Itch.io now, so it's free to share as you please:
https://slowmoledev.itch.io/slow-mole-jr
While the game is harder without a controller, I still managed to beat it using the touch screen on my phone (so it IS possible...). Also, I did note that browsers like Edge and Chrome had lower input lag than Firefox, so I would recommend those.