The file you are referring to is a digital package for , a logic puzzle game for the Nintendo Switch. It is primarily a relaxing, "paint-by-number" experience rather than a complex creative suite. Core Gameplay & Features

The specific filename indicates an (a digital Nintendo Switch package). These files are generally used on modified consoles or emulators. If you are looking for the official version, it is available on the Nintendo eShop for a standard price of around $3.99 to $12.99 depending on sales. Paint Nintendo Switch - Quick Review

: Some players find the color palette too limited and the number of pictures in the base game insufficient without the DLC.