BUILDER BUTTONS IN THE UPPER RIGHT CORNER #
In the upper right corner of your builder interface, you can see four buttons with icons.
The first button is the Wizard turning on. A quick tour on builder’s main features.
The second button (with the icon of a cell phone) turns on/off the app preview. Press this button to show or hide the preview of your app.
The third button (with the back pointer and the X mark) is a cancel button. Press it to discard all changes made after the last progress saving.
The last button (with the memory card icon) is the saving button. Press it to save changes made in your application.