ZTE's sub-brand Nubia has just released the dual-display, Qualcomm Snapdragon 855+-powered Z20 flagship worldwide. Only available in Twilight Blue and Diamond Black versions, this premium device can be acquired in most markets, including Australia, Canada, EU, Japan, or Israel. US customers can get it for US$549.
https://www.notebookcheck.net/Dual-screen-Nubia-Z20-now-available-in-the-US-for-just-US-549.438967.0.html