How to set up:
1.) Get your api-link.
(Ctrl+Shift+C then click on the game)
( more details here http://goo.gl/gWoiPF )
2.) Go to extension's options and enter the api-link. Window size can be edited in the options as well.
3.) Don't forget to click save.
4.) Click at extension icon to play.
0.0.0.3 : The API-LINK will no longer show up on the title of the pop-up.
Note from developer: