Square Enix continued to purge through its recent releases that have not quite hit home, Echoes of Mana, a mobile game for both iOS and Android is shutting down on May 15th - we have seen a few Free2Play games bite the dust recently and a few games as a service like Square Enix other game - The Avengers.. it does seem like Square Enix are just looking to tighten the purse strings but sad to see yet another title fade away

TouchArcade wroteFollowing its launch in April 2022, Square Enix has announced (Via Gematsu) that Echoes of Mana (Free) for iOS and Android will be shut down in May. This will mean Echoes of Mana is shutting down just over a year since it launched. As of today’s announcement, sale of Spirit Crystals has been stopped. In-game events will be updated leading into the closure of the game on May 15th. The reason being shutting down Echoes of Mana has been explained in the announcement post from the developers.
source: https://toucharcade.com/2023/02/13/echoes-of-mana-service-ending-shut-down-date-ios-android-download/