You can deploy a trial instance (one box) to Azure using LCS deployment experience and with your customization, database backup, GER configuration, retail packages and getting started business process library.
To do this, first go to Asset library in you LCS project and upload all the assets.
When you deploy a "Demo" deployment, click on "Advanced settings" -> "Customize solution assets" and select all the solutions assets like packages, GER, business process, retail customizations etc.
Go to "Advanced settings" -> "Customize SQL Database Configuration" and select the database backup you want to use.
Press done and hit "Deploy".
After a few hours you will get a fully configured system with your customization, demo data, GER files, business process library etc.