PME

W,A,S,D - Rotate the entire cube in the respected direction by 90 degrees

Q,E - Rotate only the top face of the cube in the respected direction by 90 degrees

R - Resets rotation on the cube currently being viewed

Shift - Displays the solution cube (the one you are trying to match). This cube can perform only W,A,S,D rotation. Also you are matching with the original solution cube. Not the rotated one