NetHunter

• https://www.kali.org/get-kali/#kali-mobile
• https://www.kali.org/docs/nethunter/nethunter-rootless/

From the page:

• Install the NetHunter-Store app from https://store.nethunter.com
• From the NetHunter Store, install Termux, NetHunter-KeX client, and Hacker’s keyboard Note: The button "install" may not change to "installed" in the store client after installation - just ignore it. Starting termux for the first time may seem stuck while displaying "installing" on some devices - just hit enter.
• Open Termux and type:

  termux-setup-storage
  
  # https://stackoverflow.com/a/68881710/660428
  # - check all repos, enter
  # - switch from official repo to _Grimler repo_ (space key), enter
  termux-change-repo
  
  pkg install wget
  wget -O install-nethunter-termux https://offs.ec/2MceZWr
  chmod +x install-nethunter-termux
  ./install-nethunter-termux
  

Follow the "Usage" block on the nethunter-rootless page.

Checkout the Checklist after installation.