It doesn't have most of what you say, but it does let you practice on custom scores (midi files), so maybe it can be part of the solution: https://www.pianojac

It doesn't have most of what you say, but it does let you practice on custom scores (midi files), so maybe it can be part of the solution: https://www.pianojacq.com/ https://www.pianojacq.com/ (open source, from jacquesm here)