Microsoft to merge Windows Store and Windows Phone Store?14
Another one of the questions not answered for now is whether this will mean that Windows Phone apps will work on larger screened Windows devices. Microsoft might borrow a page from Apple and allow apps for larger screened devices to run on those devices only, while Windows Phone apps run on handsets and are scaled up to run on devices like tablets.
Myerson once said that "all of the apps we bring to end users should be available on all of our devices," which meets the spirit of his comments to Microsoft employees on Thursday.
source: TheVerge via SlashGear