+++ This bug was initially created as a clone of Bug #1930187 +++

Description of problem:
I'm not sure what should be the proper contant of that field, so far we had Runtime and the SDK labelled with Proprietary license. I check the non-flatpak version of apps we are shipping and all of them are labelled with Free license.

Version-Release number of selected component (if applicable):
$ flatpak info org.inkscape.Inkscape

Inkscape - Create and edit Scalable Vector Graphics images

ID: org.inkscape.Inkscape
Ref: app/org.inkscape.Inkscape/x86_64/stable
Arch: x86_64
Branch: stable
Origin: brew-8.4.0
Collection:
Installation: system
Installed: 299.6 MB
Runtime: com.redhat.Platform/x86_64/el8
Sdk: com.redhat.Sdk/x86_64/el8

Commit: 7720aaae9c5f0590b033d67b00b0a4800722becf34052ca7f95662ec252055b7
Subject: Export org.inkscape.Inkscape
Date: 2021-01-28 16:24:11 +0000
Alt-id: 7827f061a6540e3af56f36d800bbb0af1dd1b0eb1b49be54a4f93e5fa7970999

How reproducible:
always

Steps to Reproduce:
1.Open Software
2.Find Inkscape flatpak

Actual results:
License field: Unknown

Expected results:
Free/Proprietary ?

Additional info: