We are not creating a custom OS at this time. We have to be aware of the limits of what we can achieve given the size of our team and the desire to actually get

We are not creating a custom OS at this time. We have to be aware of the limits of what we can achieve given the size of our team and the desire to actually get to market in a timely fashion. That said, there's heavy customization of the OS we are using, along with some bare metal "OS? Where we're going we don't need no steenking OS" work. We're more focused on the h/w, the UI and UX that interfaces between the h/w and the user, and the graphics pipeline.