I don't see any reason why windows on arm users wouldn't be willing to pay for a casual game 3d or otherwise on their device. The smaller market size might be a

I don't see any reason why windows on arm users wouldn't be willing to pay for a casual game 3d or otherwise on their device. The smaller market size might be a hinderance along with any app vetting fees but if you can do a port of an existing unity based app for a relatively low cost you would probably come out ahead. Also keep in mind theres a lot of xbox/win phone interop stuff going on there so theres at least a few gamers on the platform.