Japanese Text Analyzer is an Android application developed by mightyfrog.org that helps advanced Japanese learners and native Japanese speakers analyze Japanese text. The program uses Yahoo! Japan's web services to perform text analysis, which includes morphological analysis, proofreading aid, kana kanji conversion, ruby annotation, dependency analysis, and WWWJDIC word search.

The application is a useful tool for those who want to improve their Japanese reading and writing skills. With its various features, it can help users understand the structure of Japanese sentences, identify the meaning of unfamiliar words, and learn new vocabulary. The interface is user-friendly, and the program is compatible with Android 9.0.

Overall, Japanese Text Analyzer is a valuable tool for those who want to analyze Japanese text and improve their language skills. However, it should be noted that the program is not suitable for beginners and may require some prior knowledge of Japanese language and grammar.