Hi Gita,
I don't have a license file either, so I am also unable to check.
It usually is not a good idea to clone standard programs, for many reasons. Also is usually not a good idea to use non released FMs, as SAP may change the interface and your program will simply stop working.
The one thing that calls my attention is the SLIC_LIKEY_INSTALL_LICENSE. As I don't know what it does behind the scenes, it's hard to say whether it will or will not cause any harm.
Regards,
Custodio