Samsung's "Project Grace" Interface comes with Samsung Galaxy Note 7. Grace UI is an updated and advance version of Touchwiz and might be available for other flagships of the Galaxy line at some point, too.
For Now, You can enjoy Grace UX Theme on Other Devices Devices with Cyanogenmod Installed. The New Grace UX Theme is now available for Cyanogenmod 13/ 12.x.
Here's the Video Review of Grace UX Theme for Cyanogenmod-
You can Download Grace UX Theme from Play store at just $1.49.
Grace UX CM13 / 12.x- Play Store