The ability to connect a powerful smartphone to a monitor, mouse and keyboard opens up the opportunity to use the handset in desktop mode, rather than simply as a mobile device. The convergence of desktop and mobile, championed over the years by Canonical and Microsoft, has never really taken off. However, it might stand a chance of becoming a 'thing' in 2018.
Smartphone PC modes: Huawei Mate 10 Pro vs Samsung Galaxy Note 8 at ZDNet