- app should be strictly B2C, B2B not allowed
- avoid highly regulated industries: medicine, legal, consulting...
- need to provide real value to people buying the app (no scam)
- need to stay compliant with all related legal regulations, for example:
  - GDPR
  - Concents gathering
  - Product labeling
    - No false advertizing
    - Provide Business info and contacts
  - Proper Terms of Use and Privacy pages
- security:
  - keeping users data safe
  - you will be provided with secret api keys - be very careful with them:
    - do not commit them
    - do not reveal them on client
  - reasonable protection agains hacker attacks
