I don't mind the UI, but I also mostly use it as widget on the home screen where it blends in quite nicely.
Outside Europe I have no idea, I'd just give it a try and see what shows up. I've used it on vacations in other EU countries though and it always worked just fine.
Relevant research that just won an ig nobel prize.
tl;dr: they don't live longer, they just don't report their dead relatives and pocket the pensions.
https://www.medicalrepublic.com.au/maybe-its-the-mediterranean-diet-maybe-its-pension-fraud/110766