a bit of a stretch for "Tech UI" but I like the look of this.
Spelltower Wordsearch Interesting Flat Design #Website for Mobile #App
2048 Cute Monsters - Web/iOS/Android Game
Bingo - UI-UX on Behance
world of okabu (map illustration for the psn game okabu) | Illustrator: Mikko Walamies - http://cargocollective.com/mikkowalamies
... | Web - Game UI/UX Design
Krosmaster Arena -- isometric game as board game