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.
I’m pretty sure default Android runs almost always on F2FS.
The fellow is upside down.
In Sweden there are only three snakes: The smooth snake/Hasselsnok, the grass snake/Snok and the adder/Hug(g)orm.
The Snok is a bright one.
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.