When you start the LingoZING! app it will take you to the red opening screen. After a few seconds it will take you to the Main Screen with the featured titles. On this and most of the other screens you will find a grey navigation bar with 5 icons on it:
EduZone - takes you to the EduZone
Browser - takes you to the titles Browser screen
ZING! - takes you back to the Main Screen
Library - takes you to your library of titles that you have purchased
Account - takes you to your account screen
Refer to the Userguide for explanations of the sections.