Hey @SissiC.C.1,
I’m not sure wha you are asking here. If you are having trouble with the interaction aspect of the project, here is a non-Epic affiliated tutorial on point and click adventures and another users solution to finding out which tile they click on the grid. This might also work for figuring out what sprite you are hovering over as well for the animated overlay:
I hope the above helps point you in the direction you need!