Fidelia was a popular music player that was developed by me at Audiofile Engineering. I wanted to concentrate on the Pro Apps side of my work when I left to form Aurchitect Audio Software, so I did not bring Fidelia with me.
Audiofile Engineering/Matthew Foust is still responsible for Fidelia, and may have plans for it in the future, I really don't know. You can contact him at matthew -at- audiofile-engineering.com for the latest details. I can't sell licenses, I can't offer technical assistance, etc because I don't own the app.
If you have a license, you can download the last published version of Fidelia here: