Earlier quoted context omitted.
I'm also not clear why this is US only. There's definitely a market in other areas of the world. I'd be interested to know why it should be US only.
They're likely starting with the US because either their partner(s) for this is US only and/or it's easier to start with a single large market. The US is about a 50% larger market in terms of GDP than all EU countries combined.
Also: are you the JohnTHaller of PortableApps fame? If so: thanks for making my high school computer usage bearable, way back when!