Display is about 720p quality and doesnt support Prime Video or anything else except Netflix - and netflix also runs on some weird stripped version that doesnt allow you to play trailers.
Click the 'Setting Gear' Icon on your remote.
Making using of an old roller blind as a screen, we have been enjoying our movie sessions on weekends this way.
Spatial audio simply means the played sound seemingly comes from a pair of premium stereo speakers in front of you instead of inside your head.
Make sure your mobile device or tablet is connected to the same Wi-Fi or linked to the same account as your Chromecast.
At 720P, as the screen size that I am blasting at around 100 inches due to the size of my room, I have no complain over the sharpness, as good as it gets frankly.