Guys since a month I was contact samsung they are not reply so I decided to make a petition pls support my petition https://chng.it/9RhSWxnp9t 

https://chng.it/nrYGbWsjk7

Did u ever think that the update is usefully for midrange phone or tabs I was think that worst why budget phone and tabs like a9 and a9+ or other no game booster / game launcher in tab even older tabs have why not my suggestion if u are buying a new ...

Game booster not avilable when it come a9+ tab

Samsung remove game booster a9+ pls demand this feature