well first you need to get hoverboard mod then once you have got that from garry's mod related files you get a skateboard pack and put both of them into addons
Chat with our AI personalities
No. it is PC only.
To get in a seat/car in garrys mod you must press your use key next to it (default is E). If you do not know what your use key is go to options and check in keyboard.
gmod is for PC only
yes
no because garrys mod requires that you have a game that uses the source engine