It's Maze Workout Trials2 game with intermediate and advanced difficulty levels, that starts from intermediate to more complex.

Find the keys for the exit door of that level and to go till next level.

There are a total of 12 color coded keys that you have to pick up.

You are alone. There is no one else, it's a single player game.

The ambiance in the game is calm and relaxing, with a modern indoor architecture style.

As the name indicates you should play the levels many times to get better lower times, it's a race but in a walking simulator mode.

Just find the keys and the exit. Good luck!