... when you run the effects, people can not see it. Q 2, can I change eg the number of moving objects? ... when creating a new app, want to try it, can I try it on the pc screen with the mouse, or ... Q 6, what kind of projector included? will I able to buy spare lamp to that? A: You need to ... to the background image. Q 18, can I simulate the applications on computer, I mean simulating the man walk by the ...