Not sure if this is known, but the Denon remote app (using iOS here) can control the AxiomAir. It shows on the devices list and allows me to load my music from the NAS and control the volume. It displays the cover art and has the usual controls for music playback. I guess it's because Axiomair is an UPNP device and the Denon app controls anything like that on the network. Still, pretty awesome that there is a free app for that laugh