Licensing Question - No Google Play Services, no Amazon, Privacy, GrapheneOS

Hello forum members,

I have a rather general question on the subject of licensing. I purchased a Litchi licence on my old phone via my Google Play account, which I used “back then” with my Mavic Air 2.

I have since changed my smartphone and now own a Google Pixel 8 Pro. However, I use this with the privacy-focussed AOSP-based GrapheneOS

Although it is possible to run the Google Play services sandboxed there, privacy is still compromised.

The Amazon APP is not really a solution either.

Now to my question:

Can I purchase and licence Litchi directly from the manufacturer or are there other ideas?

Of course, it would be great if I could use my old licence again.

Best regards