Shoot - Press left button and move mouse backward, then release the button. The longer distance you drag the mouse back for, the harder you shoot. Aim - Move mouse to adjust aim line. Adjust Ball Point- Right click mouse to lock the cue first, then click on the cue ball panel. Refine View - Roll the mouse wheel. Call Shot - Click the ball on the the table. (For 8-Ball, 15-Ball, 14+1 and Killer only). Skip Hint Displaying - When it's your turn, you can left click mouse to skip hints ('Good shot, shoot again...' etc) to aim right away.