Beef, two things: The new version of BIS has two way Gmail syncing. Delete your gmail account and add it again, it should then mark emails read as you read them on your computer.
Secondly, the Gmail app in android is a true sync. Whatever you do on your phone/computer, it reflects within a minute everywhere.
Secondly, the Gmail app in android is a true sync. Whatever you do on your phone/computer, it reflects within a minute everywhere.