The One Click GSN Games is a simple extension that will only ask for permission once and then manage all Flash pop-ups for you. It is compatible with Safari, Firefox, Google Chrome, and Opera. It was developed by GSN Games and can be downloaded for free on Google Play, on Apple's App Store, and in the Mozilla Add-ons store.

This extension asks for one-time permission, so there will not be a permanent permission record on your device.

To download the One Click GSN Games add-on, please open the Google Play Store on your device, and click the "Add to Play Store" button.

On the iOS App Store, you can download this add-on by opening it, then the "Share" button on the top-right corner of the app, and the add-on will be automatically added to your device.

In your device's browser, you will have to open the "Add to Chrome" button at the top-right corner of the page, and then the add-on will be automatically downloaded.