This is a community forum, for support specifically with myVolumio, email techsupport at volumio dot org!
I run Volumio on RPi 2B with Hifiberry DAC. Tidal works fine when controlled from Volumio (via Android phone).
The other way arround not so much. I can’t see Volumio device amongst output devices from Tidal app on my Android phone. Software is up to date on both devices.