Termux Here is wiki link. https://wiki.termux.com/wiki/Remote_Access

sshelper

https://arachnoid.com/android/SSHelper/index.html

No nonsense- it works well and is free. You do need to side load it but other than that works great on the Mi box

He also has a tide prediction apk, a sat tracker and a few other interesting apps as well.

Assuming you're trying to SSH into your android tv to run scripts and install packages - there are several ways to do this:

Some options based on a quick google search:

https://play.google.com/store/apps/details?id=net.xnano.android.sshserver.tv&hl=en_US

https://techwiser.com/how-to-access-your-android-from-computer-using-ssh/

https://www.xda-developers.com/how-to-access-your-android-device-like-a-pro-using-ssh/

SimpleSSHD is what you are looking for.