The app presents historical events for users to place in chronological order. It offers challenges for both new and experienced players across history, video games, and sports.
The app offers English learning content with travel articles, vocabulary, listening tests, and dialogues. It includes a built-in dictionary with recordings by native speakers and shows word frequency and common test appearances.
The app searches multiple English and Japanese dictionaries, including Kotobank, Weblio, and ALC. It also provides access to English-only dictionaries like Urban Dictionary and Merriam-Webster, with saved search history.
