Motorola

1. Please go to your phone settings

2. Select "Battery"

3. Tap the menu in the top right corner

4. Select "Battery optimization"

5. Tap "Not optimized"

6. Select "All Apps"

7. Find Virtual Trading App on this list and Select "Don’t Optimize".

8. Go back to your phone settings

9. Select "Battery"

10. Turn Battery Saver Mode off*

* When your Motorola reaches a low level of battery (15% by default, though you can customize it), the battery saver mode automatically starts and ignores the battery optimization setting you've chosen previously, so steps 8, 9 and 10 are advisable.