Fullscreen Browser is a free Android application developed by isolator. It is an immersive, gesture-based browser that allows users to browse the web without any distractions. The app is currently in preview mode, and users can download Fullscreen Browser Plus for additional features such as support for local HTML content and HTML5 content.

The browser provides a unique and engaging browsing experience, with gesture-based controls that allow users to swipe from left to go to the previous page and swipe from the right edge to toggle full-screen mode. The app also includes basic authentication, hardware keyboard support, bookmarks, and a home page.

Overall, Fullscreen Browser is a great option for users looking for a simple, immersive browsing experience on their Android devices. It's free, easy to use, and provides an excellent alternative to traditional browsers.