Can I change what notifications appear on the lock screen?

Yes, you can choose which app notifications are displayed on the lock screen of your LG L64VL. From the main screen, slide the screen to the left. Tap the “Settings” icon. Slide the screen up to see more options. Tap “Notifications,” then tap "Lock screen." You can choose to "Hide all notifications" or "Show all notifications." Tap the desired option, then tap "OK" to confirm.

To enable/disable notifications for individual apps, tap "Apps." Tap the desired apps, then tap the desired fields to toggle their notifications ON/OFF.