Samsung teases a reveal for its foldable, dual-screen smartphone

Samsung is getting closer to taking the wraps off its foldable smartphone, a prototype of which has supposedly been in the works for years now. In a tweet sent late last week, the company teased a big reveal of the device, or at least a prototype version of it, describing its upcoming developer conference as “the crossroads between the present and the future” and showing a subtle graphic of two lines unfolding into a right-facing arrow.We’ve been hearing for a while now that S