Kamus Madura is an offline bilingual dictionary app for Android users that aims to preserve the local language of Indonesia. Developed by Ipunk Vizard Syaiful Rahman, this free app is designed to facilitate users in learning the Madura language.

The app offers a range of features, including Indonesian-Madura and Madura-Indonesian vocabulary translation, four types of word search modes, and a revised general guide to Madura spelling. Users can also save their favorite words as bookmarks, view their search history, and suggest new words to the app.

One of the app's strengths is its predictive search function, which helps users find complex Madura words more easily. Another strength is its small app size, which makes it easy to download and use without an internet connection. The app also has a user-friendly interface with a light and dark theme.

Overall, Kamus Madura is a valuable tool for anyone interested in learning the Madura language and preserving the local languages of Indonesia.