“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.
Weather - flat, but fat
This is an unrelated app, but I think the color palette used would be appropriate for a sustainable/green mobile app.
Dribbble - Side menu and status bar in by Tina Tavčar
Today’s freebie on dribbble is a modern modular user interface kit. Free PSD released by Sanadas young.