Termux Android 4 - ^hot^
If you need a more complete Linux environment on Android 4, consider (supports KitKat) to chroot Debian 8 (Jessie) or Ubuntu 14.04 – those have better legacy package support.
: Advanced scripts can scan for ONVIF cameras or automate phone tasks via Tasker integration. 3. Alternatives for Older Hardware termux android 4
To write a paper effectively, a device running at least Android 7.0 is required to access the full suite of modern packages. Writing a "Complete Paper" in Termux If you need a more complete Linux environment
Since Termux won't work, try these legacy-friendly terminal emulators: Alternatives for Older Hardware To write a paper
Only if you enjoy the "archaeology" of making old tech work for the sake of the challenge. FAQ - Termux Wiki Yes, as Termux is open-source and uses a GNU GPL v3. wiki.termux.com Getting started - Termux Wiki