15 Puzzle : Simple Logic Game for Android™

This game was invented in 1878, and still does not lose its relevance. The goal of the game : Arrange all blocks in ascending order from 1 to 15. Therefore, this game is called 15 Puzzle. FEATURES : ★ The game is made in a very simple, minimalist style, without any excessive details, so nothing can distract you from the game. ★ Also, for convenience, the game has a timer to help you find out which of your friends will quickly pick up the puzzle. ★ You can play the game for free and without advertising! My record is 28.2 seconds. What's yours?