I am new to the 1password app. How do I set it up and get it to sync with Dropbox
After logging in, slide the screen to the right (which displays Favorites, Categories, Folders and at the bottom Settings...I'm sure there is a name for this screen but I don't know it) click on Settings>Sync then turn on Dropbox Sync. You will need to have dropbox enabled on your device also.
@djgdroid nailed it, that's how to set it up if you didn't get to go all through it when you first got the app installed. Ideally you will have existing data already that you can sync, right now you can't create the keychain using Android. Please let me know if you have further questions along the way.