Attached you find a B4x Help Viewer. The original program was written by Andrew Graham (agraham) for B4A with Basic4PPC desktop. Andrew is no more active in the forum and some time ago I asked him if I could get the source code to adapt it if needed. I have been using this program since the...
I suppose that you tried the download link from the online booklet.
Unfortunately, the external links don't work in the online booklets.
If you download the pdf booklet it works.
It was just an explanation why the download link probably didn't work.
Before posting my previous post I retested the link in the pdf booklet to be sure that it works.