Principate
Saint Titanfall
Not sure I sign this. 3DS is pretty much exception and even it will have decent final LTD in US. WiiU did kinda even between Japan and US considering the differences in market size and Gamecube and N64 that bombed in Japan sold way better in US. Europe is by far the hardest market for Nintendo.
I meant between the two Europe in general is harder but Nintendo would be more worried about the NA sales between the two at this moment. The switch is marketed as a home console currently which will always appeal to NA more. Worst case scenario they can sell the handheld sku separately quicker in Japan if it were to start bombing but Japan is currently Nintendo's safest market. much like how the 3DS ate into the PSP's marketshare the switch is doing the same to the Vita. The fact the switch hs such a successful launch also means Japanese publishers won't as easily ignore it as japan only hardware potential.
It could fall off but I'm not seeing it based on any current trend on the two regions.