How to set up reminder pop-ups?
Open TickTick on your Android device, then either swipe to the right or tap the hamburger button in the upper-left corner.
Tap the gear-shaped icon in the upper-right corner.
Tap "Reminder", then tap "Reminder pop-ups".
What is special about reminder pop-ups?
When getting a pop-up reminder, you can set custom snooze time. Tap snooze to select an existing snooze time, or tap "Custom" to set it by yourself, or even choose another date.