Unreal Engine 4
Unreal Engine 4 Tutorial – Basic Mouse Events
UE4 – Creating Blueprint Meshes
Adding Interaction
blueprint interface
https://www.youtube.com/results?search_query=blueprint+interface
how to displayed “mouse cursor” on play mode?
https://answers.unrealengine.com/questions/241408/how-to-displayed-mouse-cursor-on-play-mode.html