Introducing Opera Miniâ„¢ 4.2, the most popular mobile phone browser in the world.What's new in Opera Mini 4.2 - Skins Personalize Opera Mini by choosing a new colorful skin. We have reintroduced the popular skinning feature from Opera Mini 3. Video, We are working to make video content available on more phones through Opera Mini. If you have a new Sony Ericsson or Nokia phone, the chance is high that you can take Opera Mini for a spin on m.youtube.com.