Plz update gamingperformance of j7 max....plz plz plz plz

Inspite of update all apps and android version my j7 max can not work properly...hanging issue has become a daily problem,and gaming performane is very bad..plz fix this problems plz plz plz...and add a update of one ui in j7 max

Plz give a one ui update in j7 max.and update the gaming performance..and add a game boosting function in game launcher