It seems that at some point the integrated pakset installer was broken and no longer works correctly in recent Android nights.
look at the images:
Screenshot_2024-02-05-11-58-51-264_com.simutrans-edit.jpg
Screenshot_2024-02-05-11-59-21-772_com.simutrans-edit.jpg
Someone converted all download links in get_pak.sh to https. Android cannot handle such downloads => empty list. Should be fixed soon as I am currently updating those links anyway.
is fix