Используйте приложение APKPure
Историческую версию Ted можно получить на Android
Легкий, простой и без рекламы с открытым исходным кодом текстовый редактор
Ted is an Open Source, Ad-free, lightweight text editor, meant as a Notepad application, and not meant to edit big files.
You can create new text file, open existing files and of course save them. You can also display line numbers and open recent files. You can also search for text inside the opened file.
The application source code can be found and forked on GitHub (https://github.com/xgouchet/Ted)