Quell Memento, the zen puzzle game from the makers of Quell, launches on PS Vita in April.Quell Memento is made by Fallen Tree Games, the Nottingham-based studio formed by two former Free Radical Design and Crytek developers, Joe Moulding and Lewis Boadle.It follows Quell and Quell Reflect, for iOS and Android."Due to our industry day jobs, we relied largely on word-of-mouth to build a community around these puzzle games," Boadle told Eurogamer."Fortunately, they have both been very well received by players, so finally last year we decided to take the plunge and go full-time!"Set within an old abandoned house, Quell Memento is a logic-based puzzle game with a simple sliding droplet mechanic. The player restores order to jumbled memories and in doing so discovers game-play variations.