For smart pens, you can listen to and see the story of the collection of , which was revised in 2017 through the App of Nature Sogon Sogon. Listen to nature's story through the App.

◈ Description
The'Smartpen-Nature's Sogonsogon' app is an app that can be used only if you have a collection and a teacher's smartpen. Let's listen to vivid stories of nature by recognizing icons with the teacher's smartpen.

◈ Main functions
- Video Playback: You can watch ecological videos, experience places videos, and nursery videos.
- Audio playback:  You can listen to the contents of each volume.

◈ Other
Depending on the terminal specifications and manufacturer, some devices may not work properly.
If you are a teacher using a tablet PC, you can download it from the "All & G Store".

* Android 9.0 (Pie) will be supported.