How to get Parental Control Kroha running in the background on Samsung (Android 7 - 8)?

First, on your child's device, open the Parental Control Kroha app > Tap the gear icon > tap “Edit Parental Restrictions” > Enter the PIN code > If any setup guide appears, go through it. 

Then open the Parental Control Kroha app on your child's device > Tap the gear icon > tap “Temporary deactivate for 2 minutes” > Enter the PIN code. This is to ensure that the settings on your child's device are not locked for 2 minutes, and you can check them. 

Next, check the power saving settings. To do this, use the following instructions: 

• Open the Settings app on your child's device; 
• Open the Optimization menu; Next, open the Battery menu; 
• Open the Exception List menu;  
• Add the Parental Control Kroha app to the exception list.