I have Media Go V 3.2 installed on my Win 7 Pro laptop, a Sony product that I downloaded from the internet.
I downloaded from the Internet. I found Media Go via the Sony documentation.
http://mediago.sony.com/enu...
https://musiccenter.sony.net/de...
I see that you can import the following playlist formats into Media Go:
*.asx; *.m3u; *.m3u8; *.pls; *.wpl; *.xml; *.pla.
I don't know if this answers your question, but I hope it helps at least a little.
I have no experience with ITunes & Spotify. Media Go meets my needs so far.
Greetings PM