Microsoft already has licensing agreements with the companies accounting for the vast majority of Android devices on the market, but it's not done just yet. The latest to come on board is Sharp, which has signed a deal that will allow it to use Microsoft's Extended File Allocation Table file system (otherwise known as exFAT) on its Android-based devices -- that's a slightly more specific agreement than most others, where the contents haven't been disclosed. While Sharp isn't exactly a major smartphone player here in North America, it is in Japan, where it had a