You can unpack these with LHARC or LHA, (available on Compuserve's IBM forum or from loads of places on the Internet, such as SIMTEL. Use your archie client to locate the nearest site.
This has an English set of menus in addition to German ones. Check out the readme file that is distributed with Jongl.
There is an official Jongl home page as well as additional pages in both English and German.
Created by Werner Riebesel, Katja.und.TheWerner@t-online.de and Martin Hoffmann, 00149488@fhmrz4.rz.fh-muenchen.de.
AJUGGLE is not a port of either the PC program by Allen Knutson or its X-Windows version. It was written from scratch and is fully Amiga-tized, for ease of use, by Jack Boyce, jboyce@physics.berkeley.edu, January 1992.