The LG Rollable is real, and it will be coming to market this year, an LG spokesperson has confirmed. LG will source BOE displays for its first rollable smartphone, but the so-called LG Rollable may retail for US$500 more than a Galaxy Z Fold2.
https://www.notebookcheck.net/The-LG-Rollable-will-receive-a-release-in-2021-but-it-may-cost-more-than-a-Galaxy-Z-Fold2.515017.0.html