https://www.cnet.com/news/google-is-already-working-on-a-foldable-pixel-phone/

Google has also experimented with the foldable form, said Mario Queiroz, who leads development of Pixel phones, ahead of the search giant's I/O developer conference. But Google isn't in a rush to get a folding product to market.

"We're definitely prototyping the technology. We've been doing it for a long time," Queiroz said in an interview last week at Google's headquarters in Mountain View, California. But, he added, "I don't think there's a clear use case yet."