Identify the correct usage of Meta Ads App Install campaign strategies in the following scenarios:
- Scenario I: A fitness tracking app targets users who have previously interacted with fitness-related content but uses a text-heavy ad format.
- Scenario II: A cooking app targets food enthusiasts and uses carousel ads showcasing various recipes and features of the app.
- Scenario III: A travel booking app targets a broad audience and uses a single image ad showing its logo with a 'Download Now' button, to increase brand awareness.
- Scenario IV: A financial management app targets users interested in personal finance and uses video ads to demonstrate app functionality.
Determine which scenarios are correctly applying App Install campaign strategies on Meta Ads.