"Its impossible to be late - f" is a free puzzle game developed by 99key for Android devices. The game's objective is to help the protagonist reach the classroom on time without getting caught by the teacher. The game has a simple and fun gameplay that requires players to solve puzzles to progress.

In the game, you need to find items by clicking on different objects and use them to create a path for the protagonist to reach the classroom. The game also has a drag and drop feature that allows players to use the acquired items to create a path. The acquired items are displayed at the bottom of the screen.

Overall, "Its impossible to be late - f" is an entertaining puzzle game that can keep you engaged for hours. It has a user-friendly interface, and the puzzles are challenging enough to keep you engaged without frustrating you. If you're looking for a fun and easy puzzle game to pass the time, this is the game for you.