It just means want, not will... ex. I want to give you something to drink. If you want to say "I will" you say: Jeg skal...
The Skav and Vil section of Tips and Notes for this Skill seem to indicate otherwise. Are the tips and notes here incorrect?
I'm not quite sure if it's incorrect, but it sounds unnatural. My mom is a norwegian teacher and she looked over my previous comment, so my information should be correct.