Classroom name
Shown at the top of the board. You can also tap the name there to change it.
Classes
Switch classes with the dropdown in the top bar. To rename a class or edit its students, use the calendar button next to Settings.
Today
Scenery
Choose what can appear in the sky and on the ground. Tap an item to turn it on or off.
Backup
Data lives only in this browser. Copy a backup now and then (it covers every class), and paste it here to restore on another machine.
Start over
Erase every class, all history and your settings on this computer, and go back to the sample class.