Although; you made your own gamebook for online play only, but your game needs to be ported to other platforms. However; Some people don’t actually understand, diversifying platforms is key to help your game reach your desired audience. Diversity is key to help your game grow via multiple platforms. If you only rely on Nintendo for this instance; you may miss out other platforms that are ideal for your game.
And Speaking about Nintendo, this is one example of putting all of the eggs in just one basket!