29 card game + app for iPhone and iPad

Introduction:
Twenty Nine - 29 is a South Asian trick-taking card game in which the Jack and the Nine are the highest cards in every suit.

Players:
This game is usually played by four players in fixed partnerships, partners facing each other.

Cards:
32 cards from a standard 52-card pack are used for play.
The cards in every suit rank from high to low: J-9-A-10-K-Q-8-7.The values of the cards are:
Jacks 3 points each

Nines 2 points each

Aces 1 point each

Tens 1 point each

(K, Q, 8, 7) no points

Deal and Bidding:
Deal and Calling are anti-clockwise. Cards are distributed in two steps by four cards in every step.
Based on the first four cards, players bid for the right to choose trumps. Normal bidding range is 16 to 28.
The bid winner chooses the trump.

GamePlay:
The player to the dealers left leads to the first trick. Players must follow suit if possible, and the winner of each trick leads to the next. Nonbidder players must request trump bidder to show trump and bidder player must show trump before making trump.

Pair:
After showing trump if any player can show Pair (K & Q of trump suit), the player’s team get extra 4 points.
If bidding side can show pair, they have to gain (bid - 4) points to win round.
If the nonbidding side can show pair, bidding side has to gain (bid + 4) point to win round.
***The min point need to win a round is 16

Scoring:
After the end of a round, if bidding side meet their bid point, their game point will be increased otherwise decreased.

Double:
If play round is in Double mode, the game point will be increased or decreased by 2.
Non - bidder side can set double after bidder bid.