This is my "HejBand" app, that can be installed from Microsoft Store:
English:https://www.microsoft.com/en-us/p/h/9p3r1jq423xl
Język polski: https://www.microsoft.com/pl-pl/p/h/9p3r1jq423xl
https://github.com/pkar70/miniHeyBand/wiki/Privacy-policy
For history (in Polish), see MainPage.xaml.vb file.