This is the pro version of the tiniest Text Viewer for Android. You can find the free version here:
https://play.google.com/store/apps/details?id=com.panagola.app.textviewer

View plain text files with this simple Text Viewer. Open any file with text content in your android mobile. Please use it to view any text files created by Notepad, logs, source code of html files etc.

1) Simple and easy to use

2) Read Aloud the text (speak text)

3) Search inside text

4) Dark theme (Night mode)

5) No device permissions (not even SD card or Internet)

Note: It is not a text editor. It cannot edit any file.