The research group SECUSO (@SECUSO_Research) at Karlsruhe Institute of Technology 🇩🇪 (@KIT_Karlsruhe) has an account in the Play Store and F-Droid where you can download lots of privacy-friendly apps like: 😀
- QR Scanner
- Games
- Finance
- Todo list, notes, shopping list
- Health and sport
- Password Generator
- Tools
- etc
PlayStore: https://play.google.com/store/apps/dev?id=8129664033892391289
F-Droid: https://search.f-droid.org/?q=secuso&lang=en
Their github: https://github.com/SecUSo