To create a mobile application go to the Mobile Apps page and click the button "New application". In the opened modal window type your application name (required) and description (optional). The application name will be used as a Title of your app.
In the app creation form, you can choose a custom color scheme for your app, icon and some settings. In the current release, you can create only a general type of application: UI build by you will be automatically adjusted for every platform. In future releases, you will be able to create separate apps for every mobile platform.