If you're stateside and want a shipping Linux phone today, [FuriLabs](http://furilabs.com) is another option.
Graphene is in a class of its own compared to both of these though and there's frankly no reason to bother unless you're trying to improve those ecosystems.
I admit to being shocked that such a common phrase isn’t widely understood, but this site has plenty of international traffic so I can only say thanks for the context comment. :)
Yeah, it's funny how our contexts shapes what we believe to be universal :) I had the same experience with "ground floor" and "first floor", where seemingly every country has a different understanding and way they use those. Or even what "Caravan" actually is seems to differ too. Language is fun :)
Graphene is in a class of its own compared to both of these though and there's frankly no reason to bother unless you're trying to improve those ecosystems.