You can learn how to run Fractalgram by reading the introductory blog post and watch Tadas’ provide demonstrate how it works here.
Link to fractalgram: https://fractgram.web.app/
You can also watch Tadas introduce the app for the first time in this demo. The app features smooth integrations with the Optimism Fractal web app and you can hear about on-chain compatibility here.
You can explore more about the history of Fractalgram in this article