Dear Friends, I am going to post how to use JW library in Windows xp, windows 7 and ubuntu linux operating system. More updates will follow this soon as i am preparing a detailed howto document. In short, it will look like this: Step 1: install Virtualbox in your computer Step 2: Download the Android Virtual Machine Image file. Step 3:Importing VM Step 4: Start the virtual machine from virtualbox Step 5: open the google playstore in the android virtual machine Step 6:Install JW library from playstore And that is it! you can start using JW library android app in your computer.