App consists of 4 screens:

- Login: login is the first screen. User can only provide email and password provided by it's enterprise and log in to application. No account can be created in app.

- Home: home screen consists Prehnit logo and background image.

- Map: this is where most of app's logic is implemented. For each tenant there are base layers and layers defined. They are loaded and user can switch base layer and toggle layers. To help him find layers they are sorted in groups and there is a search bar. For some layers opacity slider is added. User can pan and zoom on map, on press data about visible layers is shown, if there is any. Some additional actions can be taken if specific layers we visible and pressed on. User can also add custom spatial comments by toggling middle button on the bottom right. A form pops up and user can fill it out, add images if necessary and submit the form.

- Comments: on this screen user can see all the comments from all the users who are on the same tenant. He can also see thumbnails of images uploaded by. If user presses on any thumbnail the image presents itself with option to swap to other images from the same comment. If user wishes to he can download any image.