Imagine a scenario where a mobile app development team is configuring their analytics tools. For each task described, identify the key step in configuring mobile analytics tools that is being applied:
    - Task I: The team is debating between two analytics platforms, focusing on which one provides more detailed user session data and integrates smoothly with their existing CRM system.
    - Task II: They are embedding a code within the app's source code to track user interactions like button clicks and screen transitions.
    - Task III: The team decides to monitor metrics like the frequency of app usage and average in-app purchase amounts to gauge app success.
    - Task IV: A decision is made to track a new feature's usage by setting up a specific event whenever a user accesses this feature.
Match each task to the corresponding step in mobile analytics tool configuration.