About Google IMA Interactive Media Ads (IMA) is a suite of SDKs that make it easy to integrate multimedia ads into your websites and apps. IMA SDKs can request ads from any VAST-compliant ad server and manage ad playback in your apps. IMA can also display companion ads, report metrics to ad servers, and incorporate key buying signals, such as Active View viewability, IDFA/ADID, and content targeting.

Already available. The admin needs to enable it for their platform