This is my app, that can be installed from:
Primary version.
English: https://www.microsoft.com/en-us/p/b/9MWKXXK3ZXDF
Język polski: https://www.microsoft.com/pl-pl/p/b/9MWKXXK3ZXDF
https://github.com/pkar70/BarCodeLike/wiki/Privacy-policy
For history (in Polish), see MainPage.xaml.cs file.