Ubports Ubuntu Touch has a Signal port up and running. It's called Axocotl: https://github.com/nanu-c/axolotl/ https://github.com/nanu-c/axolotl/ It's not full

Ubports Ubuntu Touch has a Signal port up and running. It's called Axocotl: https://github.com/nanu-c/axolotl/ https://github.com/nanu-c/axolotl/ It's not fully functioning but you can see what's working fairly quickly;