Tool Game Guardian for Unrooted Android

Game Guardian on Game Killer
you can use game guardian without root using game killer as a dual space app (don't uninstall your main game app on default launcher).

Instruction :
if your game/app contains obb/data :

copy its obb from original place (usually /storage/emulated/0/android/obb/*the.app.name/main.*app.name.obb)
into :
(if 64bit game)
/storage/emulated/0/Android/obb/com.qmqm.sq/scopedStorage/*the.app.name/Android/obb/*the.app.name/main.*app.name.obb

(if 32bit game)
/storage/emulated/0/Android/obb/com.qmqm32.sq/scopedStorage/*the.app.name/Android/obb/*the.app.name/main.*app.name.obb

Download :

GameGuardian 64 - Qiwi Cloud

GameGuardian 32bit plugin - Qiwi Cloud