Allah is the Creator and He creates what He wishes. This is part of His sovereignty and wealth! He is doing us a favor by creating this universe and rewarding us with Paradise!

I want to ask you something that bother my mind, and I never get the clear answer all this time. Indeed Allah SWT doesn’t need anything and anyone, so what is the reason behind creation ? Is it possible that Allah SWT always repeat His creation ? as stated in Q.S. Ar-Ruum:27 and many more verse