msengagementsdk 

The Microsoft Engagement Framework helps you engage with your app customers with features such as A/B testing, facilitating user feedback, and more. After adding this NuGet to your project, add a reference to... More information

The Microsoft Store Services SDK includes advertising and engagement frameworks. After adding this NuGet to your project, add a reference to the extensions you want, such as "Microsoft Advertising SDK for XAML"... More information