When you change the default DNS servers, you're changing the servers assigned by your ISP, that your device uses to convert hostnames to IP addresses. With this app you can have: - Lower Ping For Multilayer Games (Online Games) - Less Lag - Reduce Video Buffering - Fast Browsing Changing DNS servers can be useful for certain Internet connection problems. It might help keep your web surfing more secure and private, and could even allow you to access websites blocked by your ISP. Also, it may s