If you are new to Microsoft business-to-business marketplaces, you should check out this quick video to learn how to create more customer opportunities for your apps. It provides an overview of Azure Marketplace, AppSource, Office Store and Microsoft Store for Business/Education. It also outlines the underlying solution types, intended audience, publishing and Go-To-Market process to help reach new end users.
Hope you find the video useful in determining which marketplace is the right one for your application.
