Well for investors point of view, its really misleading information having big company logo's added on their website. But in reality it doesn't really mean anything.
Its best to wait for the development team to clear this issues and answer why they added this logo's on their website. For now treat it as an eye candy and nothing else.
This problem must be resolved immediately by the project developer, it cannot be left to dissolve like this. Microsoft is a big and well-known company, if the name is unofficially reviewed I don't think it's a problem, but it must be proven by proof of the partnership agreement