It is possible customize the commands (shortcuts) by a file named qad_<language>_<region>.pgp (utf-8).
<language> is the current QGIS language (mandatory) and <region> is the current linguistic region (optional). For example qad_pt_br.pgp is the file in portuguese language of region Brazil, qad_en.pgp is the English version of the pgp file. The file is searched by QAD following the paths in the system variable SUPPORTPATH.