For key considerations when preparing your app for Google Play and Android privacy changes, see [Privacy strategies for Android](https://support.google.com/admanager/answer/11402075). ## Publisher first-party ID The GMA Next-Gen SDK introduced [Publisher first-party ID](https://support.google.com/admanager/answer/11402075), to help you deliver more relevant and personalized ads by using data collected from your apps. Publisher first-party ID is enabled by default, but you can disable it using the following method. ### Kotlin ```kotlin // Disables Publisher first-party ID. MobileAds.putPublisherFirstPartyIdEnabled(false) ``` ### Java ```java // Disables Publisher first-party ID. MobileAds.putPublisherFirstPartyIdEnabled(false); ```