termux on Android 5.x (in 2023 ... omg)

Download old termux for Android 5.x from this site:
https://archive.org/download/termux-repositories-legacy

Used 'adb' to install:
- termux-v0.79-offline-bootstraps.apk
- termux-api-git-debug.apk
- download 'termux-api_0.47-1_arm.deb' from "https://packages.termux.dev/apt/termux-main-21/pool/main/", then transfer it to /data/local/tmp
- Use 'pkg' to install termux-api_0.47-1_arm.deb

Notes about using 'adb'

Use 'adb' to send input
- adb shell input keyevent ENTER   
- adb shell input text "which%scurl"   --> '%s' is space char

List installed packages:
- adb shell pm list package

Show installed .apk package info:
- adb shell dumpsys package com.termux

Pre-build packages for termux
- https://packages.termux.dev/apt/termux-main-21/pool/main/