Is this game avaible for mobile devices?
Lullaby is an RPG Maker Game, intended for playing on a PC. But while the game is not made for mobile devices, there is a way to play it on your phone.
I found a youtube video that explains how to play RPG Maker games on your phone:
Though to be fair, I haven't tried that myself, so I don't know how good it works. But I maybe you can give it a shot?