I’ve been using this projector for several days. I’ve been using it to watch movies and sports mostly. So far, I’m very happy with its overall performance. It’s very convenient for the user like me who wants a plug-and-play smart projector with built-in streaming, decent brightness, and good sound. It includes Google TV built in, you get direct access to streaming apps (Netflix, Disney+, Prime Video, YouTube, etc.) The only minor issue for me is the loud cooling fan noise. It’s definitely noticeable especially during quiet scenes.
In summary, K3 is a very strong contender in the mid-range smart projector space. It’s very usable and enjoyable for everyday viewing.