That explanations read like it's taking in any kind of file system, local or remote, and combines them into one unified file system. Not really new, but most other file managers focus on the popular storage-services (Dropbox, Google Drive, OneDrive, samba, ftp), and are not open source. If you can easily create plugins for any remote storage, not just the traditional file storages, or even make up your own, then it could become something promising.