To use SAP Mobile Platform SDK for application development, you need to install SMP SDK on your local machine.
Now regarding use of OData service, SAP Mobile Platform SDK contains three APIs for accessing and manipulating an OData source.
OData Online Store API for Windows: this API is used to manage an Online OData store.
OData Offline Store API for Windows: This API is used to manage an Offline OData store. Also note that you can also access Offline API documentation at Offline OData.
OData API for Windows: This is used to manage OData feed for both offline and online stores.
Also you can navigate and search for SCN - Windows Generic Player Sample Application in SAP Store. “The Windows Generic Player Sample Application illustrates how to dynamically consume any OData Service at runtime using the SAP Mobile Platform SDK SP05. This Windows Generic Player Sample
Application is built as a Windows Store application that can run on any tablet or laptop running Windows 8.1. The entire application is built in about 200 lines of code (including UI and error handling)”.