Microsoft's Windows and Google's Android operating systems may begin to run side by side in the near future, but it looks like neither company is happy about the increased interaction.

The reaction comes after several companies have announced dual-OS smartphones that will run Windows Phone and Android. Chinese-based OEM Huawei just announced that all its Windows Phone smartphones from the second quarter on will also boot Android.

A new Wall Street Journal report indicates that both Microsoft and Google do not want manufacturers to mashing the two operating systems together on the same device. Microsoft, for one, wants to protect its interests in the desktop world, and Google wants to do the same. As Ars Technica writes, Microsoft lures manufacturers with marketing funds and Google allows producers of Android devices access to Google's popular suite of apps. While Google is clearly ahead in the mobile market, neither company, it seems, wants to have devices that convey a partnership between the two.

Even Microsoft-owned Nokia's mobile division jumped on the Android bandwagon with the release of its Nokia X smartphone. Although the two companies operate separately as of now, it will be interesting to see how Microsoft, which purchased Nokia's mobile business in 2013, will react to future releases of Android-only Nokia phones.

Still, there are plenty of signs that Microsoft is easing up on its closed ecosystem, including opening up several of its softwares to Android. A Microsoft job posting that has since been taken down recently revealed that the tech giant is interested in bringing its Xbox Live service to more platforms.

"We will create a modern framework that is open-source, lightweight, extensible and scalable across various platforms including Windows Store, Windows Phone, iOS, and Android," read the job listing.

Microsoft is also finally making its popular Office suite availed to Android developers for use. The result should be a number of Android apps that take advantage of Microsoft Office's robust enterprise capabilities.

"This week, we're announcing the availability of the Android SDK for Office 365 and Windows 8 Libraries, which allows for easier and more streamlined development using the above-mentioned Office 365 APIs, including Files, Lists, Mail and Calendars," Microsoft wrote on its Office blog March 3.

If that's not enough, there's even talk of Microsoft allowing Android apps to run through Windows and Windows Phone operating systems. Rumor has it that Microsoft is desperately trying to fix the dearth of apps, especially high-quality popular apps available on platforms like iOS and Android, and the instant influx of the more-than-one-million Android apps would certainly help somewhat.