Let's — Sing Abba [0100c9f017bf0000][v0][us].nsp.rar

The text you provided, , is a file naming convention commonly used in the digital distribution of Nintendo Switch games. File Breakdown

: The game was developed by Voxler and published by PLAION (formerly Koch Media). Let's Sing ABBA [0100C9F017BF0000][v0][US].nsp.rar

: Indicates the version number of the software. In this case, "v0" represents the initial base game without any subsequent updates or patches applied. The text you provided, , is a file

: The title of the rhythm and karaoke game developed by Voxler . The text you provided

Let's Sing ABBA for Nintendo Switch - Nintendo Official Site