We DO collect your device id via Admob, Unity Ad, inmobi,Firebase a third party analytics tool.
User's device id is required in order to know how many users use any given feature. This helps us remove confusing features and make our apps more user-friendly.
To make sure Admob,Unity Ad, inmobi DOES NOT use your device id for any behavioral advertising of its own.
We DO NOT use your device id (or anything, for that matter) for advertising. In fact, our games contain Minor Ads. That's right - unlike most publishers, we do serve others ads for any products or services because we are earning from those ads and because of those ads we are providing more creative games.