Lost Sea is developed and published by eastasiasoft, and will be available to download on 29th June 2016. (xboxgamerreviews.com)
Earlier this week, eastasiasoft announced that Lost Sea (an explorative action - adventure game) will be released on May 31st worldwide. (perfectly-nintendo.com)
I think eastasiasoft have implemented a save feature on the PC version of the game, so hopefully we'll see that arrive on consoles at some point. (psnstores.com)