SUPERSTAR SMTOWN is a music rhythm game developed by DalcomSoft Japan Inc. for iPhone. It is an official game by "SM ENTERTAINMENT" that lets you play songs from debut tracks to the latest releases. The game features over 950 songs from more than 70 idol groups and artists, including KANGTA, BoA, EXO, Red Velvet, SHINee, and more. It also offers over 2400 collectible cards to add to your collection.

The game offers a wide variety of gameplay modes, including selecting your favorite songs to play, collecting your favorite cards, and strengthening them to achieve higher scores. You can compete with other players and climb the leaderboard while enjoying the music. SUPERSTAR SMTOWN can be played for free, but there are also some paid content available.