SAP NetWeaver Gateway allows business users to access SAP applications and data through standard web technologies like RESTful services and OData. The presentation provided an overview of SAP NetWeaver Gateway, including its functionality, architecture, and development process. Developers can create client applications that consume Gateway services using various IDE plugins, without needing knowledge of SAP systems. The demo showed provisioning and consumption tools, and examples of how Gateway enables mobile apps to access SAP back-end systems.