i大富豪 is a card game app developed by RucKyGAMES, available for Android users. It is a Millionaire (DAIHINMIN) card game that follows the same rules as the general game. The game consists of 3 being the weakest and 2 being the strongest, but the JOKER is the strongest card. During the Revolution, the game is reversed, but the JOKER remains the strongest. The app color-codes the cards to differentiate between playable and non-playable cards.

The app offers a range of optional features including CPU players (2-4), JOKER, JOKER, 2 (3) up ban, leaving the capital, revolution, serial number (three or more), stairs revolution, 8-cutting, eleven back, the tie, spade 3-back, 3 start of diamond, auto path, stairs, 5-skip, 7 I-, reverse-9, 10 I, Q reverse, K skip, 99-car, coup, flowing and revolution when you put three pieces of 9 (JOKER impossibility), pass-through after, and large poor start. The game starts from a large poor, but if you start with spade 3, it will be ignored.