"N2 TTS" is a Japanese text-to-speech synthesis software based on the Android standard speech synthesis interface based on the Japanese speech synthesis software "N2" developed by KDDI Research Institute, You can add Japanese sentence reading function to Android smartphone just by setting simple setting.

This software can synthesize a variety of Japanese sentences into spoken words. The synthesized voice can be played back using the built-in speaker or other hardware. The output audio can be saved to a file and played back at a later time.

It supports many kinds of audio output such as mp3, ogg, wav, flac, m4a, and more. In addition, it can synthesize speech with various characteristics such as pitch, volume, and speed. It is also able to synthesize speech with a variety of voices such as female, child, and male.

You can also set the audio output to play back immediately or after a specified time delay.

It is also possible to change the recommended setting based on the Android version.

This software requires Android 4.0 or later.