Hmm, I was under the impression that you couldn't start another process in a non-rooted phone, but it looks like he's just starting a process?

https://github.com/dna2github/NodeBase/blob/3976239d8e268622572dc18fba2f2f5d12e3d3fa/app/src/main/java/seven/drawalive/nodebase/NodeBaseServer.java#L117

Where does the arm node binary come from? is it the standard node arm binary? we gotta get sodium into that somehow.