Sony has ear-specific IR/TF tech on android. You can get their app to take a photo of your ears, get the blob back. Tidal and Deezer in turn can use some 360 so

Sony has ear-specific IR/TF tech on android. You can get their app to take a photo of your ears, get the blob back. Tidal and Deezer in turn can use some 360 sound API to play their surround music through this.