What's Missing?
An example app isn't a real app, so what did we leave out, that you might add if you productized ToDo Lite?
We are working to close the gap with proof of concept feature implementations, etc. Patches and bug reports welcome!
User Relationships
People would have to opt-in before they can sync lists to you. This can be implemented by modeling lists from users as invitations and requiring opt-in before syncing the associated channels.
Push Notifications
For now you can read here about push notifications and the changes worker pattern.