I don't know. I really liked Microsoft's phones, but there was no Google Maps, no Google Inbox, and bunch of other apps that I use daily were missing.<p>Software is the problem for these OSes. The only way to be able to compete IMHO is to make it compatible with APKs, installable via a store.<p>Otherwise, it's a nice effort but you'll never reach the adoption necessary to make it worth continuing working on the project.