iPhone is the best product from Apple Inc. we appreciate it for the its touch and the iOS which it has to make the mobile computing much better. This is the platform which became a boon for the mobile developers and give a new era not only for the mobile app development but for the mobile OSs as well. But now the new phase has shown that on mobile as well we can have multiple OSs whether it's a desktop OS. So, if you are iPhone user still you can enjoy the Microsoft Windows 7 in your hand.
From Cydia app at free of cost there is an app called "iWindows". For iWindows you just need a shiny iPhone 4 jailbreak.
Well the browser which iWindows will offer is much more similar to the Goolge Chrome don't expect to be a safari kind of browser. Here now you can have the both iOS and Windows in your hand to work on but the efficiency here with the Windows on iPhone will increase to make the work more accurate.