First Thought - I like the simple cartoony art style that these images have. I think that it is a very nice style that wold be simple to recreate.
Penguin Pile-Up Game design
angie_wu采集到game - 花瓣
Pugs by Anna Kulakovskaja, via Behance
Fantasy Mobile Game Gui Pack 05 - User Interfaces Web Elements
GUI elements for game SnowRider by Anna Denisova, via Behance
Save the Day! (2012) on Behance
:::MonsterUp Adventures - Game Graphics::: by Ilias Sounas, via Behance