In the case of MS they need at least some sort of market share in japan to do this. They had a shot with the 360 and did ok all things considerd but they screwed up with xbone.
In sony's case they might start rapidly losing ground now that there is a far superior portable device over the vita in the switch when it comes to japan
In ninty's case... thier quality control and amazing
Diversity quality and output of first party titles, while good for consumers, drives third partes away.







