#### Functional > In order to run and hot reload app either on emulator or device, follow the [instructions](https://docs.flutter.dev/get-started/test-drive?tab=androidstudio#run-the-app) ###### Does the app run without any crashes? ###### Can you add a new note? ###### Can you delete a note? ###### Can you delete all notes? ###### Can you edit a note? ###### Is the note saved after editing? ###### Does the app show error when any field is empty? ###### Do you see all notes after closing and opening app back? ###### Add a note, save it, close the app, open it, change the same note, close app, open app. Do you see updated value? ###### Does app has valid biometrical authentication? It may be either fingerprint or via camera.