Seiken Densetsu 3 is now officially called Trials of Mana in the English release. This is the first time Seiken Densetsu 3 has been released and now has an official English Translation in North America for the Nintendo Switch, as part of the "Collection of Mana" on August 27, 2019.
While Japan has got Seiken Densetsu 3 for Super Famicom, North American has got Secret of Evermore for SNES which is very similar to Secret of Mana.
Seiken Densetsu 3 or Secret of Mana 2 released in Japan, has not received an Official English Translation by Square Enix and has never been released in North America or Europe for 24 years. Then on August 27, 2019, this game has got the official English Translation and it is now included as part of the 3 games on Collection of Mana for Nintendo Switch which is now called Trials of Mana.
Seiken Densetsu 3 is now included on the Seiken Densetsu Collection for Nintendo Switch. However players will have to learn how to read Japanese text in order to understand the game.