アナタのiPhoneもFoldに!ならないけど、ちょっと面白いと思ったよ。

World's Smallest Chromebook!
A Second Screen for Multitasking on the Go!
https://www.indiegogo.com/projects/a-second-screen-for-your-smartphone/x/11575149?utm_content=campaigns_one_column8_title&utm_source=sailthru&utm_medium=email&utm_campaign=bck-11162019perks&gs_variant=control#/