Wii: "Fragile - Farewell Ruins of the Moon"
Ooohh, Nice choice. This is a really nice game to envelope yourself in the aesthetics and story. Just don't expect anything too groundbreaking from the gameplay.
I agree, the gameplay department offers nothing groundbreaking at all. In fact, it's the game's biggest pitfall. But, dat story tho! After getting use to the controls I found myself really drawn into the story and the ending left me with so many feels. But really, it's a great game if you haven't played it yet. I recommend it to anyone.
Another good Wii game is "The Sky Crawlers." Based on a novel and film by the same name. Great anime cut scenes and fun air combat. Really blew me away, and you can find it really, really cheap. Got it for a few dollars at GameStop. True hidden gem.