Nandoku Kanji DS: Nandoku, Yoji Jukugo, Koji Kotowaza

Nandoku Kanji DS: Nandoku - Yojijukugo - Koji Kotowaza is a Japanese language learning game for the Nintendo DS that helps users learn kanji, four-character idioms (yojijukugo), and proverbs (koji kotowaza). The game, developed by Spike and released in 2008, organizes kanji phrases by subject and includes features like hiragana readings, definitions, stories behind idioms, and quizzes. Correct answers are added to a personal dictionary for future reference.