This game is a one of the playing card solitaire, called 'The law of the jungle'.
Other name is 'Natural selection'.
This game is called '弱肉強食' or '自然淘汰' in Japan.
Game is very simple, and you can play with short time.
However, the success rate is very low.
* How to play
4 cards are dealt from hand pile to tableau pile.
If there is already cards on tableau pile, piled the new card on its card.
The top card of each piles, if there is a card of the same suit, you can discard the card of smaller number.
If empty cell is exist, you can move the card from the top card of tableau pile, or hand pile.
If you no longer can also discard or move any card, you have to deal 4 card from hand pile.
If you can leave only four card of A at finally, it is success.
You can move the card by touching. You are not necessary to drag the card.
If you drag a card, you can move the card at the favorite position temporarily. Tap a unmovable card to restore all card position.
Tap the [?] button in top right of title screen to read help document.
You can see the demonstration of playing by computer in title screen.
* Special thanks
In this app, we have been using the following. Thank you very much.
Update Ads libraries.
With Family Sharing set up, up to six family members can use this app.