Magic Jewelry is an unlicensed tile-matching puzzle video game for the NES derivative to Columns. It was programmed by Hwang Shinwei in Taiwan and released in 1990 by RCM Group, without a license from Nintendo. The title is common on pirate Famicom multicarts and systems; for example, it is built into the Dynavision and Power Player Super Joy III, but existed also a his hacked version called Abacus (only on N-Joypad). Two unofficial iOS remakes of this game were released in 2012 and 2014.