This is an app that helps you communicate your intentions to others when your voice is not good. Tell the other party the characters displayed on the button in large letters and audibly.

This is suitable for people who are not good at inputting text or who want to communicate quickly.
You can also input and record free text, so detailed communication is possible. You can also use this function to create frequently used phrases to simplify input.

Android's text-to-speech is used for pronunciation. Please check the following google site (https://support.google.com/accessibility/android/answer/6006983).