Sometimes people convert a binary file into a text-based package (like a .pkg file for certain script installers):
fpm -s dir -t deb -n myapp -v 1.0 \ /path/to/binary=/usr/local/bin/myapp bin to pkg
If you are trying to convert a legacy .BIN game image to a playable .PKG for a modern console, you will typically use "FPKG" (Fake Package) tools. Sometimes people convert a binary file into a