I installed Termux on an old Android phone last week (running LineageOS), and then using Termux installed Ollama and a small model. It ran terribly, but it did run.

Somehow this reminds me of the time I downloaded, compiled, and ran a Bitcoin miner with the app called Linux Deploy on my then-new Galaxy Note (the thing called phablet that is now positively small). It ran terribly, but it did run!

Having a complete computer in my pocket was very new to me, coming from Nokia where I struggled (as a teenager) to get any software running besides some JS in a browser. I still don't know where they hid whatever you needed to make apps for this device. Android's power, for me, was being able to hack on it (in the HN sense of the word)