Human with white and computer with black.
Based on p4wn engine[1]. Computations are rather slow but it works.
Usage: Drag on the touchscreen to move the green cursor onto a piece, select it with a single touch and drag the now red cursor around. Release the piece with another touch to finish the move. The button opens a menu.
[1] https://p4wn.sourceforge.net/
Erik Andresen