Once logged in the Compiler, hit the top right control bar 
to create a project.
Write down a Name for your project, the name will be unique and stripped of special characters except for the underscore.
If you do not provide an Admin user and password, the compiler will assign one for you.
Also, in case you get locked out of your App, you can reset/create the root user here.
Optional Description.
Once you hit the Save button, your App exists!
In the Control Bar, top right, you can access your App with the “Open.” button. You will go to your App Control panel login page. Enter the credential in your project.
You can now start to customize your App for your need by adding tables, relations and behaviors. This is done in the Schema.