I don't synch between instances of Org, but you can install a full-blown Emacs (and many other apps) on Android within the Termux terminal emulator: http://end

I don't synch between instances of Org, but you can install a full-blown Emacs (and many other apps) on Android within the Termux terminal emulator: http://endlessparentheses.com/running-emacs-on-android.html http://endlessparentheses.com/running-emacs-on-android.html It runs Org fine, I've even used Spacemacs on Emacs runnning in Termux.