You can try one of the phones that are supported by Ubuntu Touch. I don’t know how good it runs but there are several cheap (= old) phones on the list.
It’s so weird that elves are now the good guys. They were actually dream spirits that give you nightmares (engl. nightmare ≫ german Alptraum = elf dream). And no, they weren’t described having otherworldly beauty.
It’s also believed that nordic elves and dwarfs are the same beings in the Edda. The nordic word for elf is álfr which often is part of dwarf names.
I’m pretty sure default Android runs almost always on F2FS.
The OS splits memory into pages and assigns the pages to applications. A page fault usually means one of two things:
You can check your memory with Memtest86. Some LiveCDs come with it. If it’s a programs fault you can only try other software if possible.
If you mean this manager it’s a tool to create the initial vfio configuration for the passthrough. You can do it by hand.