Space to change settings to 2 p or 1 p. click deck to generate new cards. 1234 to set how many cards are there.
Guide: 1 and 1p = y: 1 card, if 1 p = n, 5 cards. 2 and 1p = y: 2 cards if 1 p = n, 6 cards 3 and 1p = y: 3 cards, if 1 p = n, 7 cards. 4 and 1p = y: 4 cards if 1 p = n, 8 cards. I will try to add more settings later.