As the phone with USB connector is connected to the notebook/netbook, this app will automatically popup. Then you can enable the USB Tethering so quickly. Pro version let you enter the USB Tethering frame automatically.*Note: Before using this app, please make sure that your notebook/netbook has installed the USB Tethering driver first. This app has related instruction. This app is based on Google official function, if your brand modified google’s offical feature, it won’t work then.If you use HTC evo, please don’t buy this app. Some users’ feedback it won’t work on HTC evo. If you bought this app, and it doesn’t work, please email to us and tell us your machine. * Refund Guarantee * Please provide your order number to me.