Pokemon M is a RPG Maker XP Pokemon game and has just appeared in the beginning of December 2017.
Pokemon Lost Kingdom is a side project of Pokemon Hyperion from its author. Of course it is made from RPG Maker XP.
Pokemon Hollow comes up when the author has finished playing another Pokemon game. It was made from RPG Maker XP.
Pokemon FireRed: Immersion is a customized hack of Pokemon FireRed we usually see.
Pokemon Raven : Just in two weeks, Pokemon Raven has been born. The author has put a lot of efforts into it, with the support from RPG Maker XP tool and Pokemon Essential patches.