I'm constantly hoping that Samsung finally comes through and brings out a foldable phablet  
Rumor is that they plan to come out with a model by the end of the year, but in extremely limited quantities.  (I think they can only make something like 40,000 folding displays a month.)   I'd be first in line for something like this:
View attachment 556558
Another display provider has also shown off this 8.7" version that they folded three ways.  Makes sense, as then you always have a section displayed even if folded up!  (as shown about the 40 second mark)
YouTube: 
video
This stuff is coming.  Some day.  I want it!   And I apologize for the interruption if you only meant announced devices