Batak is a free card game app developed by appdeck for Android devices. It offers both Ihaleli and Ihalesiz game modes for players to choose from. The game is also known as Kozmaca in some regions.

With Batak, players can enjoy a classic card game with friends or against the computer. The game features a simple and intuitive interface that makes it easy to play. The app also allows players to customize the game settings to suit their preferences.

In Ihaleli mode, players bid on the trump suit and try to win as many hands as possible. In Ihalesiz mode, there is no bidding and the trump suit is determined by the first player to play a card of that suit. Batak also includes a statistics section where players can track their progress and performance. Overall, Batak is a fun and engaging card game app that is definitely worth checking out.