On the bottom of the screen you have a few tabs. The World/ Home button you can switch between Sanctuary view and Map view, hero button you can see an overview about your heroes, an overview about the not obtained heroes, hero fragments you have in your bag and nanoweapons. Then you have a button for quests where you see the main quests and daily quests, you bag with all your unopend stuff, a mail button where you will get player mails, alliance mail, system messages, battle logs and much more. You also have their a tab where you get an overview about your alliance and a button for more where you will be able to get into settings and stuff.