I am writing a web application that will use barcode scanning software. The process for Android devices is following: I have the element on page: <a href=”intent://scan/?ret=www.mysite.com%2F%7BCODE%7D%2F#Intent;scheme=zxing;package=com.google.zxing.client.android;end”> After click, it is checked if user’s device has Barcode Scanner installed. If not installed, user is redirected to Google Play and software is downloaded and installed. If installed, the Barcode Scanner is