Design your own overworld maps to connect up to 40 of your courses into a "Super World".
The second part of your query, v393216 , refers to a specific of the game. Super Mario Maker 2 -01009B90006DC800--v393216-...
Here’s the math: Switch firmware stores version numbers as three 16-bit integers (major, minor, micro), then packs them into a single 32-bit integer. Design your own overworld maps to connect up
The string is a technical identifier for Super Mario Maker 2 on the Nintendo Switch . It combines the game's Title ID (01009B90006DC800) with a specific internal build version (v393216), which corresponds to the landmark Ver. 3.0.0 "World Maker" Update released in April 2020. The Blueprint of a Sequel Super Mario Maker 2 -01009B90006DC800--v393216-...