The Redmystic Core component (Joomla/Virtuemart) offers a simple wizard style setup designed to get your products loaded as fast and easy as possible. The wizard allows configuration of the minimum number of settings to promote feeds. There are many other options available to you to customize things to your needs.
The following videos demonstrate the wizard setup.
Step 1 - Startup
Step 2 - Redmystic Configuration
Step 3 - Google Merchant Setup
Step 4 - Test Connectivity
Step 5 - Save Settings