[jones1618]

Using a safe word to unlock is brilliant. Why require iCloud or web access at all, though? Hide a configuration page behind the safe word as well. You could also have another secret word to instantly trigger your silent alarms.

Also, if the author wanted to keep the web site discreet, just have a landing page that talks about "This is the greatest hang man game of all time, blah , blah" and underneath have ads/badges for "Save the whales", "Feed the Starving Children" and "Prevent Domestic Abuse." When they click the abuse "ad", they get additional information that's actually about the app.