"With right button mouse you can rotate camera around the player.
With left button mouse, click over minigolf ball and drag to aim your shot and set your strength. When you want to shot, release button :)
With and – keys you control the camera zoom and if you want to make adjustement zoom use Shift and Shift -"
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).