Basic To Do prototype based on: https://www.sketchappsources.com/free-source/3625-basic-to-do-app-design-sketch-freebie-resource.html

This 18 Cool Gradients was designed by Osama Dawood https://www.sketchappsources.com/free-source/3607-gradients-ui-kit-sketch-freebie-resource.html

Showing a random image each time a button is pressed. Project was created using Variables and States

Here is an example of a scrollable data table with vertical and horizontal scroll and a fixed header. Data design: https://www.sketchappsources.com/free-source/3706-datatable-with-horizontal-scroll-sketch-freebie-resource.html

Parallax Effect

Car rental created with related drop down menus. Submenu depends on parent menu selection

Popup message on iPhone simulation Message appears in 2 seconds after screen loads / swipe left to dismiss / tap message app to run again

Random Password Generator created using variables.