Tetun.org is a free Android application developed by Raphaël Merx. It is an offline Tetun-English dictionary that uses the official INL spelling and includes translated example sentences. The application is designed for those who want to learn Tetun, the official language of Timor-Leste, and improve their vocabulary. It is a comprehensive dictionary that includes a wide range of words and phrases.

The application is user-friendly and easy to use. The interface is simple and straightforward, which makes it easy to navigate. The search function is efficient and allows users to find words and phrases quickly. The dictionary includes translated example sentences that help users understand the context in which the words are used. The recently added translator feature is a great addition to the application, which allows users to translate phrases as well. Overall, Tetun.org is an excellent application for anyone looking to learn Tetun and improve their vocabulary.