It is kind of possible with remote desktop. However, this is running the game off of the desktop and seeing it through the laptop screen and you want to use the the laptop cpu with the desktop gpu in the desktop mobo. This is impossible as the gpu needs to be directly connected to the pc not through another mobo. The link you posted is a direct connection to the pc via expresscard or mpcie.
BTW expresscard is not necessary for an egpu and performance isn't terrible, it can play crysis 1/2, bf3 etc. high end games on high.