https://www.cnet.com/news/samsungs-foldable-phone-here-are-some-potential-killer-apps/

The coming months will be critical for Samsung as it readies the product for consumers. But just as important will be how developers take advantage of the unique design, which rocks a smaller front screen, but opens up like a book to reveal a larger, tablet-like display.  

That's why Samsung chose to unveil the device at its annual developer conference. Those programmers will be critical to making sure the foldable display is more than a gimmick.