Tobira: Survival Japanese is an Android application developed by Shinichiro Iwamoto, designed to help Japanese language learners improve their reading, writing, and listening skills. The app is based on the Tobira textbook series created by instructors at Ritsumeikan Asia Pacific University and is suitable for anyone looking to start studying Japanese.

The app covers essential Japanese skills required for daily life and also provides useful information about living in Japan. The interactive exercises and native recordings in the app help learners to improve their pronunciation and practice words and phrases useful in various everyday situations. The app's voice analysis feature is particularly helpful in polishing the learners' pronunciation.

Whether you are studying on your own or preparing for life at Ritsumeikan APU in Beppu, Oita Prefecture, Tobira is a comprehensive app that will help you start your journey in studying Japanese.