URL: https://docs.unity3d.com/ScriptReference/../Manual/iphone-iOS-Optimization.html
event: 'dataLayer-initialized', user: { user_unity_id: undefined, user_logged_in: 'no' }, environment: { environment_locale: 'en-us', environment_currency: undefined }});When developing for mobile, it’s recommended to optimize your game for mobile platforms as much as possible. Optimizing your title as part of the development process can help you avoid performance issues later in the development cycle.
For general tips on optimizing your game for mobile devices, refer to Optimize your mobile game performance.