webxl spreadsheet

This spread sheet application is fully developed in html and javascript and then converted into Android app using Android Studio. The spread sheet contents are saved in simple text format in notepad and loaded from the contents of notepad.The details of source file can be seen in the following link https://mksugumaran.blogspot.com/2014/03/webxl-webbased-spreadsheet.html
To learn to use see this youtube video
https://www.youtube.com/watch?v=9K0VQ86kpXI