Apple has outlined plans for new dimensions of accessibility in its mobile devices, including a new SignTime service that allows people who use certain sign languages to better use the OEM's online support system. The updates also include a new way of using the Apple Watch with just one hand.
https://www.notebookcheck.net/Apple-teases-its-new-one-handed-mode-of-control-for-the-Apple-Watch.540222.0.html