I can't imagine a legitimate market for (in my opinion gimmicky) colour e-readers, and I believe this would be a horrific experience as a daily-use monitor.
Is this intended for some form of advertising or marketing?
I guess people crave purpose and perhaps a bit of connection too; and they’re willing to spend money in a slightly misguided attempt to find it. Speaking as a person who owns too much music gear.
I’d skip expensive gear and use cheaper replacements or whatever I already have. Pick an iphone, ipad, ableton lite, acoustic guitar, or any other tool or instrument. Use that to make music and have fun. Optionally show my music to other people.
On the other hand a portion of the population has an absolutely horrible time using backlit monitors. Simply put, they will tolerate just about anything to have a usable alternative that doesn't cause migraines and eye strain. I'm getting there, and I can confirm it's a ridiculous experience. Completely destroyed my workflow, to the point where I was very seriously considering digging up my old t60p ThinkPad from over a decade ago because it had a special LCD panel that looked like paper.
Our entire civilization has been built to shield office workers in concrete caves so that they can see their screens comfortably.
Persistent displays.
Daylighting.
Those who prefer illuminated rather than emissive displays.