Add sources to the audience segment. Click the "Audience" → "List of segments" and click "Create segment".
Click "Add segments": the list contains the segments and data sources you added earlier. You can create new segments based on existing segments.
Select one or more sources and click "Add segment".
- Installed now — if user has at least one application installed at the time of the campaign.
- Installed — if the user first installed the application from the selected category in the specified period of time. You can choose the number of apps from this category.
- Deleted apps — if the user deleted the app from the selected category within the specified time period. You can choose the number of apps from this category.