The XConnected PC Barcode Scanner is a free, easy to use application that will allow you to use your Android's camera to scan and view codes from your computer. This can be used in many different ways. For instance, if you have a product that you need to check its code, this app will allow you to do that easily. The best part is that this app is extremely easy to use. All you need to do is install it on your Android device, and you're ready to start scanning. It is compatible with most barcode scanners, and it can even work over the internet.