I found this presentation about Mulberry and wanted to share it.
It explains the core functionality of Mulberry.

tl;dr Thinks to retain:

Routes manage high-level application state.

Components receive and render data and react to user input.

Capabilities provide data to components and broker communications between them.

Page definitions are reusable groupings of components and capabilities.

Stores persist data on the device, make that data query-able, and return model instances.

/C