I recently rooted my galaxy S4 using a guide from the internet. My s4 type is sph l720 and it has the kitkat update 4.4.2
i completed the rooting process and it was successful. The superuser app was installed, but no matter how many times I try to gain root access or privilege it does not allow me, and it says rooting access denied, for example i tried using game killer which was a huge disappointment, then i tried using GameCIH which was another disappointment. I tried many things and I looked everywhere but I did not find an answer. I do lack experience and i am not an expert in this, but I honestly tried a lot of stuff, I downloaded an app called root checker to confirm that I was rooted and the app confirmed it to me. I took two screen shots that my help with my issue
Read more: How to gain root privilege for samsung galaxy s4?