Use APKPure App
Get Debian old version APK for Android
Debian - no root required!
This app will install Debian Buster with Xfce desktop environment.
You do not need to root your device.
You will need 1.2 Gb free on internal storage.
A mouse or stylus is highly recommended.
This app is NOT full Debian OS - it is a compatibility layer, based on PRoot, which allows you to run user-land Debian applications.
Your phone is not rooted during installation.
Running Wireshark or Aircrack-ng will fail, because they require root.
This is not an official Debian.org release.
To install packages (web browser for example), open Terminal and run commands:
sudo apt-get update
sudo apt-get install chromium
You can check full list of packages in Synaptic package manager.
Packages that work:
synaptic gimp inkscape clementine chromium vlc mplayer audacity lmms
In VLC and Audacity, select PulseAudio as audio output.
To run Chromium, use command:
chromium --disable-dev-shm-usage --no-sandbox
Packages that fail to run:
firefox-esr libreoffice konqueror kodi kdenlive blender, and anything that uses OpenGL.
Sources are here:
https://github.com/pelya/commandergenius/tree/sdl_android/project/jni/application/xserver-debian
Previous versions are here:
https://sourceforge.net/projects/libsdl-android/files/ubuntu/