In order to deploy your app you have to fiil this request a deployment form in Service One.
When you should use apps in deploy mode?
Before deploying your app you should fulfill the following requirements.

How to request the application deployment using Service One?


How to request the application deployment? - OLD
Once prerequisites are satisfied:
4. Click in Request deployment
5. Fill the form
6. That's all, you will be contacted by the AppSheet Service managers when the application has been deployed.
For every questions or issues please open a ticket using Service One.