tainer app
tainer is System tool that is open source under the GPL-3.0-only license.With a simple but not complicated experience, Tainer greatly retains the performance of the entire Linux and is completely accustomed to running the Linux system. No root-access is needed, so that all Android devices can experience the pleasure of running Linux on Android.
Compared with LinuxDeploy Userland, Tainer greatly reduces the size, and can run a Linux system with only 10mb.