For some reason, I suspect this is going to get a few views (and I hope B4A apps could be part of the picture).
The topic has appeared in a number of articles related Win 10. Microsoft who DOES NOT have a MOBILE inventory of apps, would love to get the Android world into their environment (to increase sales on their Operating System,etc, etc...).
We'll have to wait and see, I've been running Win10 since it came out (Tech Preview) and I like it a lot, very fast, no issues so far even though I'm, running it on a Virtual Machine.