Romi lets you play Rummy Tile (RummyCube, Rummikub, Rami) games against the
computer at three different levels. The game is played with two sets of 52 cards and with
two wild 
cards. Two wild cards is the default Wild card setting (Normal, None or For all) in Settings → Game. The purpose of this game is to form groups of
three or more cards, which contain either consecutive cards of the
same suit or cards of the same number value but of differing suits.
Want to see how it is played first? Tap the Demo button at the top right to watch Romi play against Romi. Tap the demo banner at any time to stop it and return to your own game.
When you begin a new game, 14 cards are drawn randomly for Romi and 14 for the player. Those last are placed on the rack in sequential order.
The player opens his game by playing at least one group of 3 cards or more, using only the cards on his rack. The sum of those cards values must be (25, 30 or 50) or more.
After the player has opened the game, he can use the cards on the board to complete groups with cards on his rack. The player can move or reorganize all the cards on the board, but the new groups must be valid and by groups of 3 and more.
The window of Romi is divided into two principal elements: the board, with 8 rows of 23 cells (one more column with the 12–13–1 Romi rule) where you put the cards that you play, and the rack where the player's cards are stored. The groups of cards placed on the board must be separated by one or more empty cells. The player's cards can be placed anywhere on the rack.
Romi does not allow you to place a card before or after a card on the board, if the group formed with this card is not valid.
If you can't or don't want to play a card, you must
draw one by clicking on the 
icon.
When you have finished your turn, you click on the sand-glass 
.
Romi checks that the game is valid and Romi plays his turn.
When Romi plays, the sand-glass icon is replaced by a computer icon.
Please note that you can't move cards (which are not yours) on the board before you open the game with your own groups of cards of (25, 30 or 50) points or more.
To place a card on the board, you can click the card and it will move automatically on the board. If you want to place a suit of cards, you click each card in the order to form the suit. You can also place a group of cards (with identical numbers), by clicking each card of the group.
You can also select a card and move it manually to the destination of your choice. If you move a card over a suit of 5 cards and more (which contains the same card), the suit will be broken into two suits.
You can restore the board as it was before you began to play your turn, by clicking the sand-glass icon and you will have the option to restore the board.
You can see your Romi scores and/or reset your scores to zero by clicking on the 
button and by selecting the item Scores.
You can add a card to the end or to the beginning of a group of cards, by dragging the card respectively on the first or the last card of the group. If the space before or after the group is not sufficient, Romi move the new group of cards where there is enough space.
Romi also allows you to make two groups of cards with one group of 5 cards or more, and another card which is identical to one of this group. The two new groups must each form groups of 3 cards or more. For example if there is a group of cards like (4,5,6,7,8,9) and if you have an other 6, you can make the following two groups (4,5,6) and (6,7,8,9). The shortcut works by selecting your 6 and by dragging it on any card of the group (4,5,6,7,8,9).
A single device can be used by multiple human players, passing the device to the next player, once they have completed their turn.
On the Settings 
→ Players screen, just uncheck the checkboxes near the name of the player that should be played by a human.
A changed checkbox takes effect when the next game starts.
Draw a card: Draw a card randomly and allow Romi to play his
turn.
Sort by suit: 
Rearranges the player's cards on the rack by
suit.
Preferences: Allows you to change and save your preferences for
Romi.
Cards played: 
Shows you the cards played by Romi on
his last turn or the cards played by you during your turn.
Validate: 
Check that the groups of cards played on the board
are valid.
Information : You can see the documentation for Romi, see your
scores, or begin a new game.
Clean Up the board: 
Rearranges the cards on the board
in a special order like below:
From Settings → Layout → Buttons you can hide the buttons you
never use. Draw a card is the only one that can never be hidden.
Hiding Clean Up the board , Validate
or Cards played simply removes the
button.
Sort by suit and Preferences work
differently: their cell is never removed, it becomes Redo and Undo for good,
greyed out when there is nothing to redo or undo. You still reach the preferences from the
menu.
Even when both buttons are shown, the sort button turns into Redo as soon as you have undone something, and the preferences button turns into Undo as soon as there is a move to take back.
Play level: In Settings → Game, choose Beginner, Intermediate or Expert. The level sets how cleverly Romi builds its groups, steals cards from the board and rebuilds the groups it breaks up.
Romi rule: Standard or 12–13–1. With 12–13–1, an ace may also follow the king at the end of a run (for example 11-12-13-1), and the board gets one more column. The run ends there: no 2 after that ace, and a run cannot both start and end with an ace (1-2-…-13-1).
Wild card: Normal (two wild cards in the deck), None (no wild cards), or For all (none in the deck, but every player starts with one in hand).
Opening: The points needed to open: 25, 30 or 50.
Time limit and penalty: From 0 (no limit) to 5 minutes per turn. When the time runs out, the board goes back to the way it was at the start of your turn — except at the Beginner level, or in a solo game with the Time limit penalty switch off. At the Expert level you then also draw two cards instead of one.
Winner starts: When on, the winner of the previous game plays first in the next one.
Romi steals too: Like you, Romi may take cards from the groups on the board and rebuild them, as long as every group is still valid at the end of its turn.
Panel on the left: In Settings → Layout, this switch moves the side panel to the left of the screen instead of the right. Portrait and landscape each have their own switch.
Tablet layout: In landscape, the board takes the whole width and the rack, the buttons and the panel sit in a row below it. It is on by default on tablets.
Customize tiles: In Settings → Look and Feel, choose a ready-made
palette (Standard, Colorblind, High contrast or Monochrome), or
pick Custom and tap a tile to set the colour and the symbol of each suit. The wild
card has its own colour and is changed the same way. Each symbol can be
used by only one suit, so two suits can never look identical on the board. The Night palette gives dark tiles with light suits. With Custom, the
Background button sets the colour of the tile face itself (colours that would not stay
readable on it are refused), and Number font picks the font of the card numbers among
the fonts already on your device.
Table background: Also in Settings → Look and Feel. Beside the four numbered backgrounds, the Color choice opens a set of swatches where you pick the background colour you want. The Photo choice lets you use one of your own pictures instead: it is copied into the app, shown under a light tint of the chosen colour, and stays on this device only.
Fill with Romi players: When you host an online game, the seats nobody joined are played by the computer once the game starts, so a table of 3 or 4 can be played by 2 human players. At least two human players are needed.
If a player leaves and does not come back, the table no longer stays stuck on their turn: once their reconnection delay has expired, their next two turns are played as a simple draw, then a computer player takes over the seat. Coming back during those two turns keeps the seat; coming back later takes it back from the computer.
Romi versions for Mac OSX, IOS and Windows, are also available on the Romi Web page: https://romi.ca