The Fullscreen Green App is a Chrome extension developed by Walter Radduso. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This extension is designed to enhance the usability of the green web app by making it "full screen" and expanding the chat area on big monitors.

With the Fullscreen Green App extension, users can enjoy a more immersive experience by expanding the small chat square to utilize the entire monitor area. This is particularly useful for users with big monitors who find the default chat area of the green web app too small.

The extension has been well-received by users, with the latest versionaddressing the new styles of the green web app. Overall, the Fullscreen Green App is a valuable tool for those looking to optimize their experience with the green web app on Chrome.