This site did not show evidence of storing passwords in plaintext.
This site does allow secured connections (https)
This site did show a clear way to unsubscribe from their emails
This site does verify your email address.
Below is a sample of the emails you can expect to receive when signed up to Game On Mobile.
This email may be confidential. Any distribution, use or copying of this email or the information it contains by anyone other than an intended recipient is unauthorized. If you received this email in error, please advise Game On Mobile immediately.