Geo-blocked Apps on (Google) Play store.
Have a wifi device ex Europe that has a smartphone interface. Have the same device ex NZ agent - which cost 4x the price as the same device ex UK.
The device ex Europe won't work with the app available from the Play Store to NZ accounts. The European app can't be d/l from the Play store as it comes up with an "App is incompatible with all your devices" message.
Of course there are ways to get around that (I just d/l the apk - which works fine). The apps have identical interface, the devices have the same circuit boards, presumably the blocking of app communication with the different origin device is implemented via firmware.
A Japanese company makes the device and app. I think that stinks - but I guess the NZ agent thinks it's being very clever.