Do Windows 8 Store Apps (Metro) run in Windows 7 or XP?

Question

I want to know whether Metro Applications developed using Visual Studio 11 Developer Preview and .Net FrameWork 4.5 can run in Windows 7 or XP.

Not the normal Window

Answer 1

I tried it on Window 7 and answer is definitely no, you can not even develop Metro style App in Windows 7, for developing also you need Windows 8 and Visual Studio 11.