Download apk here: unyw.apk
It should work on every device with Android 8.0+

Just use Android Studio. No further step required.
Code is written in Kotlin and placed inside app/src/main/java/org/unyw/
The Unyw Logo "UPenguin" source files are inside icons/

Keyboard may not work on some devices
Pulseaudio not working on arm32

Work in progress: the whole project hasn't a license model yet.
Proot & Busybox are taken precompiled from UserLAnd
Busybox is licensed under GPL 2 License
Proot is licensed under GPL 2 License or later
Consider Unyw code to be released both under MIT and GPL 2 License.