This is an exact clone of hocus, which is free at the moment.
Edit: "Semblock" - Illusion Based Puzzle Game from 2013/2014 (before Hocus was relased, 2015). There was many games like this, because all using idea from Marcel Duchamp, Rogera Penrose, Escher etc., but yes Hocus is more popular.
https://www.facebook.com/Semblock/photos/a.804880579574427/804880439574441
Old post: No problem :D, this is your opinion. But there are many differences (this games only use the same idea).
PS. Airem is one person studio there is no "devs".