Chief among them was a candybar-style concept phone that folds twice -- once from the top and once from the bottom. The pincer movement reminded me of a crab claw closing in on itself, or a book fold used to laminate dough. The phone bore an uncanny resemblance to the Samsung Galaxy Z Flip, but with two folds rather than one.

The Samsung Display booth is always a highlight of MWC, but this foldable gaming handheld concept really has us excited about the possibilities.

At its booth at MWC Barcelona, Samsung Display brought a bunch of foldable, stretchable, and bendable phone and tablet concepts to show just how far OLED display tech has come. One cool example was the vertically tri-folding phone that leaves a little stretch of display uncovered when folded,