This ability selection feels like gambling.
I would speed up this roll.
I read nothing -> couldn't get how to play the game (I found use ability button on restart).
Maybe:
A ... put ability usage at center bellow when selecting one -> that even stupid people like me find it without complain.
B ... show when selecting ability how to use it (fake video/simulation).
C ... skip [B] video or turn it of completely.
Also pressing shift is strong web command which creates forced pop-up
Very innovative