Locate Battle.net configuration files (e.g., bncache.dat , bnupdate.exe ). Rename or delete bnupdate.exe – this prevents the game from attempting to auto-update when launched online. For pure LAN/offline play, you can also delete storm.dll (though some mods need it).
By following these steps, you should be able to install and play StarCraft: Brood War 1.16.1 directly on your portable device. starcraft brood war 1161 direct play portable install
Then run it from any PC—but that writes to the registry. For true zero-footprint, just play in the default 640x480 window and use a tool like dxwnd to scale it. Locate Battle