Thank you for the interest. I am trying this
https://code.janeasystems.com/nodejs-mobile/getting-started-android
They have apparently managed to port on IOS as well.
Then just install solid-server nom within the tree for the app.
My first problems were working directories and access privileges, but after using absolute paths, it seems fine. Next was generating certificates with openssl, which is obviously not there, so I disabled that and copied already generated certificates on install - this will need a mechanism in future, but I just want a proof of concept to start.