Use APKPure App
Get Bottle of Light old version APK for Android
빛의 병, 빛의 리터에서 영감을 응용 프로그램 - 일광을 가지고하는 방법에 대해 알아보십시오
Bottle of Light, app inspired by Liter of Light - Learn how to bring daylight into your dark livingroom.
Liter of Light is an open source design for low-cost light tube. (Wikipedia) The light tube refracts solar light and provide daytime interior lighting.
In this app there is two versions of the Liter of Light: one with daylight and one with LED-light and solar panel.