Yes and one reason it took so much time might be the same reason why there's the risk Camera2 might stay a Nexus-only thing. Manufacturers like keeping camera

Yes and one reason it took so much time might be the same reason why there's the risk Camera2 might stay a Nexus-only thing. Manufacturers like keeping camera features, UI and processing exclusive to their devices, which is one thing encourages brand loyalty. The most users will rely on a favorite third party app, the more likely they might switch to another brand on their next device.