If you are experiencing issues with the screen saver mode of MiScore or finding that your android device is closing MiScore app down every time it locks the device, please try this resolution:

Minimise MiScore by dragging in into the background - select menu option at this point and select 'Lock Screen' for Miscore. 

This activates MiScore as the primary page so that when you unlock your device it will bring up MiScore automatically. 

OPPO device follow these instructions :