See that image on the left? That’s what the Android Market looked like a few days ago. If a developer from the UK uploaded a paid app, its price was shown in pounds. A French developer’s app would be listed in Euros. And so on.
The image on the right? That’s what it looks like today. App prices are displayed in the user’s local currency. Makes sense, doesn’t it?
No, I don’t know why it took Google this long to make a change which seems so obvious, but it probably has something to do with the fact that Google recently expanded the Android Market to accept paid apps from developers in about 20 additional countries.