A content synchronization method for connected devices comprises accepting, by a central reference point, context from a connected client device, constructing, by the central reference point, at least one response in a semantic compatible with the connected device and compatible with a user of the connected device the response comprising at least one file description bundle, prioritizing, by the central reference point, download order of files described in the at least one response bundle, downloading the files described in the at least one response bundle, to the connected device in the download order, confirming complete download of the files described in the at least one response bundle, and rejecting incompletely downloaded bundles of files.