[ephemient]

Not true: ARM can run PNaCL.

http://www.chromium.org/nativeclient/pnacl/building-and-test... http://www.chromium.org/nativeclient/reference/arm-overview

[azakai]

PNaCl is not NaCl. None of the NaCl apps in the Chrome App Store are PNaCl apps - which isn't surprising since PNaCl isn't ready.