Unauthorized purchase

If the only indication of the charges is from an email or text, be aware that it may be a phishing attempt to get you to log in to a site that appears to be Apple and divulge your password or credit card information. See: Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support

and Identify legitimate emails from the App Store or iTunes Store - Apple Support

If you think it may be a real charge, see the following instructions. They include information on contacting Apple Support if the other steps don't help: If you see apple.com/bill, itunes.com/bill, or an unfamiliar charge on your statement - Apple Support

i received an email saying pokemon go for $99 was purchased from an iphone xs mac from the app store ,,they used my apple id, i have an android,,,how do i know that i'm not being charged and no one has my apple id info and what should i do about it?