Have Ankidroid. How to randomize or shuffle?

I’m using this for a 5 and a 6 year old and this seems to be so overly complex that I couldn’t find a shuffle or randomize feature that I could just apply to the set. Is there anything like this because it seems like it should exist.

You can shuffle new cards in Deck options. AnkiDroid 2.15 User Manual Learned cards are shown according to a spaced repetition algorithm AnkiDroid 2.15 User Manual