Successful apps have a number of common characteristics. Apart from the obvious, such as relevant functional scope and context-relevance, I believe that elegance is the most fundamental. Never before have non-designers been so engaged in concept and design discussions as today. Elegance attracts.
I’m collecting great app UI on a Pinterest-board and am keeping my favorite design resources updated. Just browsing through some of those inspirational collections is uplifting and some of them are just like a handful of sweets.