A new way to integrate mobile apps with mobile OS (search box)
to present relevant information without need to switch apps.
This is in particular useful for integration with Google Assistant (voice command).
It would be very useful to get something similar for web,
possibly integrated in web browsers.
Android P’s ‘actions’ and ‘slices’ are a whole new way to use mobile apps - The Verge
Android Slices with Jason Monk - Software Engineering Daily
A Closer look at Slices on Android – Adam Bennett – Medium
Slices | Android Developers