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. Update Note: 0.0.0.3 : The API-LINK will no longer show up on the title of the pop-up. Note from developer: This application is just a simple javascript to generate a popup to fit the game screen. The API-LINK is stored locally at the browser.