Ask HN: Better Brain Entrainment?

Obligatory Photosensitive Seizure Warning -- It's on the app too.

https://brainentrain.web.app/

As a weekend project I built an app that uses color therapy, stereoscopic flickering, and binaural beats to hopefully entrain the brain to a desired frequency.

Currently I am oscillating the carrier wave within a harmonic range and from this updating the color frequency, pulse frequency, amplitude oscillation, and binaural frequencies.

Does HN have any ideas to take this to another level?

I am inspired by the MIT research here https://news.mit.edu/2022/small-studies-40hz-sensory-stimulation-confirm-safety-suggest-alzheimers-benefits-1213