Step 2: Download the Android Virtual Machine Image file.I have shared one android 4.1.1 image here: https://drive.google.com/uc?export=download&confirm=yIuK&id=0B8uWTMIFLul2a1BsZ3JfbFRSTjQClick on the below links for detailed information on each steps:Step 1: install Virtualbox in your computerStep 2: Download the Android Virtual Machine Image file.Step 3:Importing VMStep 4: Start the virtual machine from virtualboxStep 5: open the google playstore in the android virtual machineStep 6:Install JW library from playstore