Standard MSFS 2020 relies heavily on streaming data from Bing Maps. The Hoodlum edition was designed to bypass official authentication servers while still attempting to maintain core flight mechanics.
If you are looking for a legitimate way to play Microsoft Flight Simulator 2020 "portably," there are several supported methods: microsoft flight simulatorhoodlum 2020 editio portable
Some versions of the Hoodlum crack reportedly allowed users to connect to the internet to download high-end textures, though this remains a point of technical instability for many. Standard MSFS 2020 relies heavily on streaming data