https://www.nintendo.com.hk/data/json/switch_software.json
https://www.nintendo.co.jp/data/software/xml/switch.xml
https://ec.nintendo.com/api/JP/ja/search/sales?count=30&offset=0
This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.
###Array ####Definition: