https://www.cnet.com/news/samsung-offers-a-first-look-at-2019s-foldable-phone-galaxy-f-with-infinity-flex-display/ > The foldable phone can run up to three apps at the same time, something Samsung calls Multi Active Window. A Google executive who took the stage after Denison said Android will support the new foldable display technology.  > Samsung made the announcements at its fifth annual developers conference, taking place Wednesday and Thursday in San Francisco. The event, which started off small at a San Francisco hotel, in 2016 expanded to Moscone Center West, where Apple previously held its developer conference. Last year, 5,000 people attended SDC.