VOIDPTR

No

It is based on OpenHarmony which is open source under the Apache License https://gitee.com/openharmony/build/blob/master/LICENSE

I want one. I wonder if importing it is feasible.

You are in luck, Motorola still makes the Razr.

Tasks as trivial as filling up a pdf document become many times more doable on the inner display than a standard phone.

I still try out Haiku and ReactOS on actual hardware every time a new version is released. None of my computers are fully supported yet.