Please disable both apps to assure that you have the newest ROKiT FLiX 3D app version when re-enabling the app. Here are the steps:
Go to Settings > Apps & notifications > See all apps > Scroll down until you see the ROKiT FLiX 3D apps > Click on one ROKiT FLiX 3D > click DISABLE/UNINSTALL > click on DISABLE APP/UNINSTALL APP > click on OK to confirm > click on the back arrow > click on the other ROKiT FLiX 3D app and do the same thing to disable the app
Go to your Play Store > search ROKiT FLiX 3D > click on ROFLiX 3D > click on Enable > click on Update, once it's done updating > click Open
You should now be able to only see one app, access and enjoy!