Polda 4 is a popular adventure game developed by Zima Software, available on the Android platform for free. The game follows the story of Polda Pankrac, a cop who helps the known scientist Professor Santusov in his quest to prevent the misuse of his time machine invention. The game offers a unique combination of 3D and 2D graphics, and features more than 80 interactive locations in different historical periods, over 70 interactive characters, and a captivating story about time travel.

The game also includes logical tasks, a stylish soundtrack, and two user interfaces - a classic pointer and a touch-only mode. Compared to the PC version, the Android version of Polda 4 offers additional features such as the ability to view directions, the location of active sites and inventory items, and a tutorial. The game's excellent voice acting by Ludek Sobota, Jiri Labus, Vaclav Postránecký, Stanislav Fiser, and Valerie Zawadzki adds to the overall experience of the game.