"operates apps so you don't have to" -> "to use, use a different PC, open the browser app and log into spotify"
so... you also still have to have another PC and operate apps on it.
so... you also still have to have another PC and operate apps on it.
Honestly that's the best solution for a V1, in terms of security, privacy, speed of development, etc.
The target audience is early adopters, that definitely isn't people who want to use Spotify/Uber/etc but don't have another device.