There was an article in another tech site about Samsung doing away with MST. One of the comments mentioned OV Valet it might be something to consider if/when it is released - being crowsourced at this time. It is similar to the one loop pay was developing and loop pay is company that samsung purchased the mst tech from.
https://www.ovloop.com/people/valet/
https://www.ovloop.com/people/valet/