Anno 1800 HD Tab Wallpapers is an unofficial fan-made app for Android devices that adds new functionality to your browser, which can be easily found under Settings / Security / Privacy, the new tab you see is called Custom and it can be found as an icon on your screen.

This will be useful if you are not interested in what comes up when you open your browser, that is the new tab, or for people who want to customize the way their browser looks.

You can easily download the app from the Google Play Store. It works perfectly in any browser.