Ah you want free. Disregard what I said.

For everyone else: https://github.com/fyildirim-debug/xtreamcodesapitom3u?tab=readme-ov-file#english

You have converters from Xtream input format (I have yet to test).

In standard Android yes, but on GrapheneOS has 1 (one) private space per profile.

Eagerly awaiting multiple private spaces so I can move everything to owner profile.

Negative, full-res photos with EXIF is not possible to access with rclone (due to Photos API limitations).

Best way to have forgetful username.

I used Facebook on my GOS phone. I thank Meta for refreshing my weariness of big corp.