[TQN]

I afraid with only a bpl file, we can not build the Delphi app. To build, we need at least a .dcp file (same as import lib in C/C++), and can be with .dcu files. But he did not have any .dcp file or .dcu file because the app only be deliveried with bpl file.
A bpl file is same as dll file, so we can use LoadPackage (a function of Delphi RTL) to load it and uses GetProcAddress to call a alone function.
Best regards,
TQN