A free program for Android, by FreeCode.

You can choose your avatars and names. There are many different cards, and each of them can be used to your advantage, but remember that you will have 7 cards at the start of the game. 

Happy Uno Card is an online multiplayer game. You can play against other players across the world, or you can invite your friends to play with you. 

The game is based on the classic board game, and the rules are simple. You will be given a deck, and you will have to match the cards with either the same color or number. If you cannot match a card, you will have to pick one from the deck.