"Device identifiers: We collect online identifiers of the device you use to access the App, including IDFA, Google Ads ID, Google Device ID, Game Center ID, Google Play Account ID. Furthermore, if you have given your consent, we share your Device identifiers to advertising network companies for the purpose of them serving behavioral advertisements to you within the App."
Collecting multiple device and platform identifiers (IDFA, Google Ads ID, Game Center ID, Google Play Account ID) and sharing them with ad networks enables cross-service tracking and building unified advertising profiles across apps and platforms.