Game Guide: http://www.ageofgames.net/mapsandguides/guides/ki-game-guide.html
Press ESC to skip intro and dialogues.
To pause the game press ESC or P. While on the pause screen you can save your progress.
Once you have started the game, the main way to interact is with the mouse. You can move, use objects, and do actions simply by clicking and using the drag+amp;drop.
You will be able to use potions and scrolls equipped in your fast access slots by clicking their icons on the interface, or pressing the keys from 1 to 5.
Inventory, Journal/Log and Characteristics screens can be accessed by clicking their icons on the interface. You can also reach them using the keys I, L, C.