Throughout Opera Mobile 10 for Windows, Mac and Linux, developers install Opera Mobile Widget Emulator on their computer or Mac, the company said. This helps the developers do not have to use number of phones to test, can resize the application to suggest the mobile screen size.” by, if you would like to test and debug the mobile site in Opera Mobile, a mobile phone you require some form of physical or virtual machine suggests the whole mobile OS,” "With Opera Mobile 10 for Windows, Mac and Linux, we hope to give you with the simplest solution: a small application to without difficulty install on your desktops, run the exact same code mobile version. You can be pledged that what you see in the test environment will experience like to that of your end users will get. "