The iPhone Duo is easily the most experimental iPhone that Apple has released. That’s both good news and bad news.

On one hand, the shape-shifting design, like on existing foldable Android phones I’ve tested, lends itself to creative use cases, such as hands-free entertainment and self-mounting for long-exposure photos.

On the other hand, the device is so new to iOS that some of your most frequently used apps may not yet be optimized to take advantage of the added screen space. There’s even a “ does it work on iPhone Duo? ” web tracker.

Needless to say, the next few weeks and months will be very telling about the future of apps on the iPhone Duo. Dozens, if not hundreds, of the App Store’s popular picks are already being worked on to take advantage of the flexible iPhone Duo screen.…