..Do Download this theme...install it as apk...and set it from theme center....and it is a trial version....so do kill the running services from developer option in settings menu...You will get the exact oreo style samsung touchwiz launcher...as well...
..is there any information regarding the nougat 7.0 update of j7 prime and other j series..actually samsung should provide the update to j series before A series...after all j series has played a major role than A series in raising up SAMSUNG......SA...
after being upgraded to nougat....there has been a major performance boost in j7 series....and even camera performance is improved to a nice level......here are some shots by j7 prime