Vivo intends to impress everyone at MWC 2019 with an innovative smartphone design that is codenamed "The Waterdrop." It's still unclear how the handheld will look and work, but the first leaks suggest it will have a fluid design, with rounded corners, glass edges that meld into the body and a display that could be encased in glass.
https://www.notebookcheck.net/Vivo-s-upcoming-The-Waterdrop-phone-gets-leaked-design-pics.393716.0.html