Hotel Dusk: Room 215

Hotel Dusk: Room 215 is a point-and-click adventure game for the Nintendo DS. The player, as Kyle Hyde, moves around and interacts with the environment using the DS's touch screen and must solve a variety of puzzles using the handheld's various features including the touch screen, microphone, and closeable cover. The DS is held rotated 90 degrees from normal, like a book. (wikipedia.org)