adAway is an ad-blocking tool which blocks any pop-up that appears while you are browsing on your Android device. The application also allows you to choose the host files from your device.

As is usual with this type of application, with adAway, you can create a 'whitelist' of websites to which you can add exceptions if you want. Of course, you can also add more hosts to your blacklist if you want, too. But no matter what you decide to do, all the settings can be configured according to your preferences.