A "Portable" application means the software does not need to be installed on the Windows operating system. It runs directly from an executable file (usually from a USB stick or a folder). This is convenient, but in the context of paid software like MobileGo, it usually implies a "cracked" version where the licensing requirement has been removed.
The “portable” mechanism often crashes when: i wondershare mobilego 820 multilingual portableby exclusive
Many users reported the program freezing during large file transfers. A "Portable" application means the software does not