Samsung foldable phone specs: Big Android changes

The day of the foldable phone is almost upon us, and with Samsung's Infinity Flex - and the mysterious smartphone that will use it sometime in 2019 - we have plenty of questions and a handful of answers. Key to the story is just what advantages a foldable phone will have over current devices, and what app-makers will need to do in order to get their software experiences ready for devices that morph between different sizes.