This is the kind of thing that I fear will prompt a backlash from the people and government and destroy the entire online ads regime that underpins the current Internet.
It also doesn't strike me as benevolent to offer a service to fix the problems your other service caused.
You'll know when a user of a Dopamine-backed app installs Space, and that's useful to you. Measuring people trying to give up an addiction feeds back in to understanding the causes of addiction, and in your case presumably gives you quantifiable information you can use to make Dopamine more effective. Saying you made it and give it away out of the goodness of your heart seems a little underhanded.
Your company is still about making shit addictive. Its customers will inevitably be those with the money & inclination to make their app addictive - social media & mobile games. Its morally pretty close to adding sugar to junk food or selling cigarettes.
You were going to clear up "mob misconceptions" about ethics but it turns out you had nothing to say, just an "invitation for discourse".. while most of the tech world has been in on this particular discourse for years, with constant media coverage, and we know its a problem.
But I'm pretty sure you know all of that. Don't expect public approval for making glorified/AI-powered slot machines, they're still just slot machines.