Consider the following four scenarios for onboarding in different consumer apps. Identify the scenarios where gamification is an appropriate strategy to enhance user activation:
- Scenario I: A language learning app seeks to motivate users to complete daily lessons consistently.
- Scenario II: A navigation app wants to encourage users to contribute road updates and traffic data.
- Scenario III: A productivity app aims to simplify its complex feature set for new users.
- Scenario IV: An e-commerce app wants to reduce cart abandonment rates during checkout.