GUI toolkit that actually looks like it's been designed to work well on a touchscreen. Button and sliders are tangible. Only rotating elements are incredibly large and easy to manipulate. A lot here to like.
Laundry Master App - iOS by Zahir Ramos
Pounce: 1-Tap shopping app
Tweetbot - a Twitter client
Discovr Music for iOS - Screencast
Discovr Apps for iOS - Screencast
#UI I like knobs and I like digital and these are digital lobs, so i like it 2x as much
Minimal Light User Interface by Diego Monzon http://dribbble.com/shots/808157-Minimal-Light-User-Interface-Freebie
Digital art selected for the Daily Inspiration #1331
Futurico UI Pro
Amazing Mobile App UI Designs with Ultimate User Experience - 40 #uidesign #uxdesign #mobileappui | http://illustrationsposters.hana.lemoncoin.org
Delivery app design - UX/UI on Behance
25 Mobile App UI Designs for Inspiration | The Design Inspiration
Flat design line concept Banners on Behance
VML LONDON | The success of beautifully simplistic apps
Wiselist app :: To Do's. Not only simple, but wise.