# Navigation ## Overview A key difference between the mobile app and on a computer is the user interface and navigation. The mobile app is designed to be used on smaller screens. On smartphones, there is a single column layout. On tablets, there is a two column layout. The system is also colour coded depending on which [Site](https://docs.cw.crisisworks.com/concepts-and-fundamentals#sites-and-regions-1) you are using (Production, testing etc.). To access the Main Menu, you must use the Hamburger menu ![](https://3923904090-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNy7IznbrPLUq6GJDDQDk%2Fuploads%2F0MDCig20BZKMMymixaFx%2Fimage.png?alt=media\&token=b33204fa-d102-433b-a9fc-04715e66ec46) commonly used in apps. You can return to this menu at any time using this icon. ## Main Menu

### Current Event To access Registers and [use the datagrid](https://docs.cw.crisisworks.com/concepts-and-fundamentals/mobile-app/using-the-datagrid), you'll need to first visit the Dashboard under the Current Event. ### On Duty Events This menu allows easy switching between Events by selecting the Event you want to use from the menu. ### Duty Use Event and duty management to access the [Events Selection screen](https://docs.cw.crisisworks.com/concepts-and-fundamentals/working-within-events#events-selection-screen). ### Settings Use this menu to access User Preferences or Diagnostics. ### Account Use this menu to [Manage Your Account](https://docs.cw.crisisworks.com/concepts-and-fundamentals/mobile-app/manage-your-account) or [Sign Out](https://docs.cw.crisisworks.com/concepts-and-fundamentals/mobile-app/signing-out).