If your mobile device automatically enters power-saving mode to reduce battery consumption and improve power efficiency after a period of inactivity during long gameplay, you may find it inconvenient. To disable automatic power saving mode, please follow the steps below:

[Disabling Power Saving Mode]

Tap the menu icon in the top right corner.
Go to [Settings] and then select the [Hunting] tab.
Under the Controls category, select [OFF] for Sleep Mode to disable it.