The plugin helps you create an infinite number of custom payment gateways. After a payment gateway is created, its instructions and email sent to customer can be edited in the WooCommerce payment settings menu.
Screen Shots
Adding and Editing Screen. A good name, logo and desciption will help the admin to identify this gateway when customising in WooCommerce payment settings. 
A list of all your Woo Custom Gateways. Here you can delete, edit or directly goto payment gateway settings in WooCommerce. 
Custom payment gateway settings in WooCommerce. These settings will to shown to the customer at the appropriate times. 
Custom payment gateway displayed to the customer highlighted inside the red rectangle.