google play games - I uninstalled an app,but did not clear space

So i am using a Samsung Galaxy Tab 4 and i recently had this game called 'Bully:Scholarship Edition'(got tired a while of the GTAs) and i saw the app was having 5.30GB memory size I tapped uninstall and the app,the obb(2.5GB) and the data are gone from my device,but i keep having only 500MB free I do not have any cache to delete I did restart my device a couple times Nothing seems to work

Please help me if you can