You can easily add citations from google scholar with the following steps.
1) Once you have run a search in GS you will see with each reference a link entitled "cite" that you can click
2) A new small window will open and you will see at the bottom several links to citation managers
3) Click on the link for Endnote. Depending on your browser it will download the file to your computer.
4) Open the file with your Endnote library open and it should import into your unfiled folder.