Opera Mini is one of the most used mobile browser that have all the features that a normally PC browser have. In Google Play it is available for the free to the users but it also have a paid version named Opera Mobile which have some extra features and if you want it you have to pay for it.
Opera was previously launched for PCs and it brilliant got success in the market and then they launched different versions with different improvements of bug related issues, then they also made a great success in Android market and among IOS users and now there are about 300 million people all around the world that are using Opera as a browser in their smartphones.
And now there is a news we heard about that Opera will available for the windows smartphone users. It also have the same interface and features that are currently available in the Android smartphone versions, However there is no exact date and month for the launch of Opera for Windows phones.