Recent rumors suggest that LG's Rollable phone project is dead in the water. However, that has apparently not stopped the OEM filing a new patent based on the concept with the Chinese intellectual property office (CNIPA). It appears to show a rolling-screen device with an additional display mounted on its rear panel for (you probably guessed it) selfies.
https://www.notebookcheck.net/LG-reportedly-patents-a-new-kind-of-rollable-phone-with-a-secondary-display.523234.0.html