Declared Key Features and Benefits:

• Unified Experience: The Windows App provides a consistent interface for accessing Windows resources from any device, enhancing user productivity with customizable home screens, multi-monitor support, and USB redirection.
• Enhanced Security: It includes advanced security features like multifactor authentication to ensure secure connections.
• Early adopters have praised the app for its seamless access and improved end-user experience. Notable feedback highlights that it significantly reduces onboarding time for new employees and centralizes access to virtualized workplaces and applications.

And current RDP ?

Users of existing Remote Desktop clients will transition to the new Windows App.
It is available for download from respective app stores or can be accessed via web browsers, ensuring easy connectivity without installation.
For IT administrators, Microsoft recommends... utilizing the provided documentation to facilitate the transition and update internal processes accordingly.
We are waiting for further feedback.

Yet another name in the {loop}

Humm, just one humble note... we guess there is an involuntary desire to create confusing names ! :D :D
And it wouldn't be the first time.
Next step ? Who will break this secure gateway first? I know, it seems premature at this stage.

Credits:
- MS: >windows-apps, compare-platforms-features
- MS: windows-apps now GA
- Ars Tecnica: windows-apps