1. Easy and intuitive button functionality

This feature allows people with communication difficulties to more intuitively express themselves through easy-to-use, intuitive graphics.

2. Users can upload photos or videos of their choice.

In addition to images, users can add photos, videos, and phrases of their choice.

3. Convenient features through categories and search.

This feature allows users to conveniently find the phrase they want to express through categories and search terms.

Additional key feature: Instantly sends an SMS to a guardian in an emergency.
Sends only when the user presses the "Emergency Bell" button (no automatic/background transmission), and can be disabled in settings. (Users can manually register and edit the guardian number and phrase.)