track_changes Conversion tracking Measure the effectiveness of your AdWords app install and app engagement campaigns--by tracking the installs and in-app events (such as purchases and sign-ups) that were driven by your advertising. Android iOS people Remarketing Reach your existing users with ads to re-engage them with your app, driving even more conversions. Android iOS check_circle Integration optionsA lightweight SDK for Android and iOS appsA server-to-server API option to notify AdWords of Android and iOS conversions and remarketing events from your analytics system.A comprehensive implementation checklist for third-party trackers. warning Using Doubleclick for Publishers? If you are promoting an app on the DoubleClick for Publishers platform, refer to these specific instructions.