If your application uses pcklst.lst, you can convert it to use the GUI version (XTREE) by adding the following to miame.ini:

SBR=PCKLST_GUI

This will convert the standard text implementation, which looks something like this...

...into the XTREE version, which looks something like this:

Note that in the above examples, the XTREE version shows more columns, because the default proportional font is smaller and thus allows more information to fit into the same screen area. It also supports horizontal and vertical scroll bars, but no bottom title bar. See the XTREE documentation for more details on its many features which go way beyond what the text version (PCKLST) supported.