First Person Game + 2D Puzzle

Hi friends,
I need a tutorial about Mobile 3D Game (FPS for example) with 2D Puzzle (A slide memory card game for example) with change controls (Hide character movement mobile control/Enable slide touch capability, Disable slide touch capability/Show character movement mobile control) when a 3D character enter into trigger area, how a level change: The character enters in trigger area, the 2D Puzzle is showed, the user resolves the 2D Puzzle and is redirect to the 3D origin scene.Do you help me?

Thanks,

Check the Blueprint_Input example in Content Examples.