I have written a free Android App that talks directly to the 3M-50 thermostat. I was motivated by (a) I do not want my thermostat status stored by the website at radiothermostat.com regardless of how good their security might be, (b) I want to edit the thermostat time/temperature schedule from my phone and (c) I don't want to live with the inherent race condition between updating controls on their website and on the thermostat front panel.
Details, documentation and download are available here: http://writelog.com/pt
Its not on the Android Market (because I am not willing to pay the Market to register a free app).
Wayne
