: The IPA file is an iOS application package. In this context, it likely refers to a third-party application designed to bridge content from an iPhone or iPad to a Chromecast device, often offering features like screen mirroring or web video casting that might not be native to every app.
: For the safest experience, it is always recommended to use the official Google Home app or apps with built-in "Cast" icons (like YouTube or Netflix) available directly on the App Store. Creating a Content Piece? download-cast-for-chromecast-syto203-ipa
If you are looking to create a short descriptive piece or a guide regarding this, Understanding the File : The IPA file is an iOS application package