免費商務日文學習APP is an Android app developed by JLD Internationalinc, available for free. It belongs to the Education & Reference category and is designed to help users prepare for business Japanese language exams. The app consists of 400 multiple-choice questions covering various aspects of Japanese language, including nouns, verbs, adjectives, adverbs, and business Japanese. The app simulates the actual exam format, with four options to choose from and scores based on the time taken to answer. Incorrect answers lead to negative marking. This app can be a useful tool for those preparing for Japanese language exams and looking to improve their scores.