The Red Magic Mars is probiably what Nubia's 2019 gaming phone will be called. It is already linked to the Snapdragon 855 and an improved battery capacity. Today (April 23, 2019), Roland Quandt has posted a new rumor that this upcoming device will have a cutting-edge 90Hz screen.
https://www.notebookcheck.net/New-leak-points-to-90Hz-screen-plus-an-actual-internal-fan-for-the-Red-Magic-3.418875.0.html