In order to install the facebook application you need to first be added to the list of facebook users authorized to install the application. If you have access to this thread during the beta testing period, then you should also be authorized to install the application. However, you will not be able to pass these installation instructions onto a friend to install the application unless they have first been added to the list of authorized users by us.
To install the application, you must be logged into facebook and then follow the link below:
www.facebook.com/apps/application.php?id=6502769669
In the upper right corner of the "Casinos I've Visited" application page that should be displayed you should see the text "This application can be added to your Facebook account." followed by a button that reads "->] Add to Profile." Click on this button, and then on the next page click on the "->] Add Casinos I've Visited" button to add the application.
Since the application is currently a beta application, only other facebook users who are also authorized to use the beta application will be able to see it within your facebook profile page. It will be invisible to everyone else.
Please see the other thread I have started welcoming testers for a complete list of those authorized to use the application during the beta test period.
Michael