When you have completed making your app or edits to your apps design you can click "SAVE APP."
When the save app button is clicked the app's structure will be saved.
Common Issues That Prevent Saving
Every field within your app must have unique data names.
Data names can only contain lowercase characters ( a - z ), underscores ( _ ), and numbers ( 1 - 9 ).
Missing App Elements
No name has been provided for your app.