Thank you for contacting the Mobile Ads SDK Support team.
Please find the below answers to your queries:
Yes, you can’t use the Play Age Signals API for that, because Google’s documentation says it cannot be used for advertising, marketing, or user profiling. For ad requests: use the AdMob SDK configuration methods to indicate non-personalised/limited ads for under-age or unknown-age users. This tells AdMob that the user is under age of consent / child-directed, so they use limited/non-personalised ads. I would recommend you to refer to the Child-directed setting
No, you are not explicitly required to install the Play Age Signals API in this specific scenario. When you declare your app's target audience as 18+ in the Google Play Console, Google Play expects your audience to be adults. This setting already restricts minors from easily finding and installing your app. Please refer to the Manage target audience and app content settings
I hope this helps, please reach out to us if you have any other questions relates to Mobile Ads SDK.
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Mobile Ads SDK Team |
[2025-11-03 18:49:14Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01vSTBE:ref" (ADR-00338290)
Hi,
Thank you for reaching out to us.
Regarding the AdMob setting tagForChildDirectedTreatment(true) this option is used to indicate that your app is directed to children under the Children’s Online Privacy Protection Act (COPPA). When enabled, AdMob limits data collection and only serves ads suitable for child-directed content.
Ensure your AdMob setup is not using tagForChildDirectedTreatment(true) (since your app is not child-directed). You likely set it to false or leave unset. That aligns with your adult-only audience.
For questions about Google Play’s age restrictions, the Play Age Signals API, or compliance with US state laws such as SB 2420, please contact the Google Play Developer Support team, as those topics fall outside Google Mobile Ads SDK scope.
Kindly note that our support channel can only best assist you with regards to Google Mobile Ads SDK implementation and technical issues.
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Mobile Ads SDK Team |
[2025-11-06 15:14:54Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01vSTBE:ref" (ADR-00338290)

Hi,
Yes, based on the information provided, you appear to be doing everything correctly to show 18+ ads in your app.
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Mobile Ads SDK Team |
[2025-11-06 23:30:51Z GMT] This message is in relation to case "ref:!00D1U01174p.!500Ht01vSTBE:ref" (ADR-00338290)