Thanks for taking the time to write the feedback :)
- I will add keyboard controls as well in a future release (probably soon). I agree, not everyone has a mouse
- Re: the time for choosing an option: The reason it is so short is because stamina regenerates during this time, which means a longer wait can be abused to replenish a lot of stamina (stamina regens for both players, true, however if your stamina is low and your opponent's is already high, the longer wait will completely eliminate the difference). This I will need to think about: either I try to rebalance it, or have less choices available, or pause stamina regeneration while the choice is active.
- How bad is it? I confess gfx settings aren't really high on my priority list at this point (having the game run at low res and then blowing up the scaling seems to help a lot with performance), but if a lot of people complain I will probably look into it sooner