This is an example of a Navigation Bar that disappears on any downward scroll and re-appears on on any upward scroll.

The Virtual Fashion Assistant is an interactive screen designed to sit in the change room of a clothing store and help customers try variations or accessories to complete the look without leaving the change room – a store assistant brings you the items. The goal is the customer tries and buys more clothes. The interface has been designed to be display a 55 inch touch screen display.

The Orang Asli Museum (Malay: Muzium Orang Asli) is a museum in Gombak, Selangor, Malaysia that showcases the history and tradition of the indigenous Orang Asli people. The museum includes a library and a small theater hall.

A website template with multilevel dropdown menus and scrolling area.

A Picker selection navigates you to the screen selected. The project uses Variables and States and depending on the picker selection I change a button state to navigate you to the right screen.

I used part of the "Laundry App UI Kit Sketch Resource" design that was designed by Satheesh Kumar at: https://www.sketchappsources.com/free-source/3397-laundry-app-ui-kit-sketch-freebie-resource.html to create a quick prototype