Energy storage and distribution alone can affect all three of your examples and they are very trivial ones. Then there is medicine, possibly a better shot at fusion and so on. Better electric cars are at the bottom of my wish list (because they're still cars). But yes, those too (much lighter but more powerful motors means you can do away with the drive train completely and it would also allow you to get rid of the brakes) assuming the superconductivity can be maintained in strong magnetic fields (not a given).

okay, could you be more spesific - what kind of improvement can we expect in storage? Is the improvement measurable - like will I be able to buy more kilowathours of storage per dollar?

You'll be able to buy more KWh of storage per dollar (but likely not initially) and it will be relatively dense compared to current - pun intended - options and very likely have a much higher number of cycles (because there is no chemical cycle, just electron movement). The 'if only we had a room temperature superconductor' list of inventions that got temporarily shelved is longer than my arm, the words 'game changer' were never more applicable. If it is replicated. If it can manufactured competitively. If it (or a variation) works at higher current densities.