I'd try the Trauma Center games, it's one of my favourite new series from this generation.
Don't know your preferences, so I'll put some titles that aren't suggested that much.
Zach & Wiki
Samba De Amigo
We Ski & Snowboard
Trauma Center:New Blood/Trauma Team
Little King's Story
Endless Ocean 2
Just Dance 2/We Cheer
Red Steel 2
Mario & Sonic various Olympic Games