The interface of the Opera Mini computer is very basic with a few features to help you navigate the web. You could also download videos to watch later. Opera Mini apk is an ad-free browser that allows users to surf the web without having to worry about pop-up ads or load time with its compression technology. It is now available for Windows, Mac OS X, iPhone, iPad, Android, Linux, and Windows Phone. Opera Mini is a browser that was built with mobile devices in mind.