I love my VAVA 4K projector and have little to no issues with the device, I’m using it with my AppleTV 4K and after ironing out the boot source and CEC on-off stuff it’s damn near perfect.
So, what would make it better? The damn volume adjustment indicator is not only big but it’s smack dab in the middle of whatever I’m watching. I’d love something that’s a lot more subtle and less intrusively located, especially at the size this screen projects at! It doesn’t need to obscure the content.
While I have a lot of gripes with apple’s UI designs, taking a cue from them and changing the volume control indicator to a small bar on the left that doesn’t interrupt the content would be a vast improvement experience-wise. Or even simply moving the current volume control indicator to the lower left and making it a bit small. But please, please, please, just take it out of the center of the frame!