LG has been wrestling with the idea of folding phones in its own way: by releasing standard flagship phones, such as the LG Velvet, but with a case containing a second screen allowing for that more expansive experience.

That’s all change with the LG Wing, a rotating-screen phone, which is the first release as part of the company’s Explorer Project – which will see LG Mobile release different initiatives in the future.
…
Continue here:
https://www.pocket-lint.com/phones/news/lg/152902-lg-wing-everything-we-know-about-the-rumoured-rotating-screen-phone