Yeah, same Termux app from F-Droid running the show, via VNC...
Termux + vncserver + XFCE displayed through MultiVNC here, it was a fun journey getting it all set up, but yeah I've been running this as my main daily runner since July, and rather almost like it LOL!
Not sure if you caught my edits, but aapparently the poppler tools were already installed, so I already have pdftotext 👍