You aren't really limited as to what monitor will work. Any monitor should be compatible but keep in mind that a laptop GPU is not that powerful so I would stick with something HD rather than UHD or 4K. Those higher resolutions will likely have much lower framerates.
Did you actually try without Splendid? Sometimes people prefer running without it.
There isn't really any ideal technology. TN is nice and fast for games but has poor color accuracy. IPS is pretty good with colors but doesn't have very deep blacks. VA is going to have better blacks but is a bit slow for gaming use. OLED is still expensive.
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…