The dev said in his twitter that he is on a complicated moment at his life because of losses from his family. I suppose this game will take a VERY LONG time to be updated again(or not be updated at all).
yeah i helped edit Lost Memories for the first while so we talked sorta regularly. but we drifted apart just because our personal lives were busy. I would reach out from time to time but I had no idea he wasn't doing well.