Renju Cat is a free Android game developed by vlastco. It falls under the category of card games and is a racing board game. The game is played by two opponents, one playing X and the other playing O. The game board is lined with cells and players take turns to make their moves. The goal is to be the first player to construct a continuous series of five of their chips either horizontally, vertically, or diagonally.

Renju Cat is easy to understand and play, with a simple and clean interface. It is a great game to pass the time, whether you're alone or with friends. The game also has an option to play against an AI opponent, making it a great choice for those who want to play offline. Overall, Renju Cat is a fun and engaging game that is worth checking out.