You probably want to update the guides, specifically this page:
mobile-toolkit/guides/cli-setup.md
You make reference to the --mobile flag. This was removed from angular-cli some time ago. You now must create the manifest file on your own manually. And I could be wrong but I think the way ng serve works requires that the manifest gets placed in the assets directory or else it just 404's.
You probably want to update the guides, specifically this page:
mobile-toolkit/guides/cli-setup.md
You make reference to the --mobile flag. This was removed from angular-cli some time ago. You now must create the manifest file on your own manually. And I could be wrong but I think the way
ng serveworks requires that the manifest gets placed in the assets directory or else it just 404's.