I also reviewed my March 2009 AT&T cellular phone invoice and noticed an unauthorized subscription charge noted as Mobile Game Show, short code 20888, provider PlayPhone Inc., charged on 03/04/2010, for $14.99. After reviewing the other complaint on this site and discovering that the subscription was linked to unanswered text messages, I recalled receiving messages, which I just deleted. I called AT&T and after informing the service employee that I had an unauthorized subscription on my bill, she credited my account for all... read full review »