Knowing more about your browser other than just its name comes very handy if you are building a new website and you wish to know how it appears on different browsers. To do this more efficiently you can even install different browsers and then use this tool. Once you know about the browser, now you can modify your website or application accordingly.
If you are using the internet in an internet café, you might want to know about the pre-installed browser that you are using or changing it as per. Most of the regular internet users know well which browser they are using or want to use just by looking at it. The tool is specifically helpful for naïve users, who have just stepped into the vast world of internet.