To install the scanner app on your home screen, use the Add to Home screen feature from your iOS or Android web browser. This installs the Scanner app on your mobile home screen.
Scanner App
Note that if you have the whitelabel feature, you need to copy the link from your own domain.
To copy the link to the scanner app from your domain, login to your domain. Click on the picture tab on the top right corner of your screen and select the scanner app, you will be directed to the scanner app url for your domain.