Here's a weather app concept animation. This could be realised in real life. The main idea is a very simple — single screen-app.
Product Animation by Kenny Sing for Elegant Themes
Coffee Maker App This is how you make your personal coffee with a coffee machine app. I've designed an interface that allows you to choose your cup size, your favourite milk type and also to adjust the milk balance.
UI animation: Minimal Search Bar w/ Select by Hans Engebretsen
Nice sign in animation, Flat UI Design
Very cool animation. Splash screen animation by Cuberto
Dribbble - Submit Button by Colin Garven IxD
Feedback Button Officially the best looking button I have seen out there! - Submit Button by Tamino Martinius