Hello, I am Hanako. This page introduces the apps I made. New apps will be added here as they are made. The apps themselves are in Japanese, but this page and the guides are in English.
Search, browse popular and recommended works from Aozora Bunko, and listen to them read aloud in your browser.
Convert US units to Japanese units and back: currency, temperature, distance, weight, length, volume, and gasoline. Exchange rates are fetched automatically and shown with their date and time.
Calculate sales tax and the tax-included total from a displayed price. The tax rate can be looked up from your location or entered by hand. Tips of 10%, 15% and 20% are shown too.
Play full Shogi against Hanako on a 9×9 board, with captured pieces, promotion, and checkmate detection. Three difficulty levels, hints, and undo are available.
Play Hanafuda Koi-Koi against Hanako, with traditional card artwork, yaku (scoring combinations) detection, and Koi-Koi choices.
Play Gomoku against Hanako on a 15×15 board. Get five stones in a row to win. Three difficulty levels, hints, and undo are available.
Play full-featured Othello against Hanako, with legal-move display, flipping, pass and endgame detection, score, and a game record. Three difficulty levels, hints, and undo are available.
You can add a favourite app screen to your iPhone Home Screen as an icon, so you can open it with one tap like an app. This does not install an app, so it hardly uses any iPhone storage.
Silicon Valley Letter (in Japanese) / Osanpo (in Japanese) / motokazu.net (in Japanese)