Microsoft could be working on a common marketplace, which would integrate the Windows 8 and Windows Phone 8 apps, if reports are to be believed.

That's right, soon all your Windows 8 apps could work on your WP8 phone and vice-versa, thanks to the common app store that is being rumored.

According to a WMPoweruser report, "Microsoft is once again working on getting Windows RT apps to run seamlessly on Windows Phone and vice versa, which should benefit both platforms by increasing the addressable market for developers, especially if Windows Phone phablets are ever released."

Per the report, Microsoft has posted a job advert which looks to recruit a software development engineer, who would in turn make it easier to develop access across both the desktop and mobile platforms.

"Do you wish the code you write for Windows Store apps would just work on the Windows Phone and vice versa?" reads the advert.

Additionally, the ad noted that the person hired will "help our team bring together the Windows Store and Phone development platforms," and "solve the technical challenges of bringing a platform built for desktops and tablets to the phone form factor."

The Microsoft ad has been taken down since.

The idea of having a unified marketplace that supports app portability both ways sounds quite challenging, especially since desktops and mobiles have different resolutions, screen sizes, and capabilities. However, quite a few Windows 8 apps currently works seamlessly across both tablets and desktops and, therefore, this unification could be an extension.

Whether this unification happens in time for the Windows Blue update or at a later date, however, remains to be seen.