1. Tap the screen to release water from the pipe above.

2. Your goal is to fill the glass to the marked level without spilling too much water.

3. Pay attention to different obstacles like spikes, platforms, and moving parts that can block or redirect the water flow.

4. Use timing and precision to control when and how long you tap to pour water.

5. Avoid spilling water outside the glass or hitting obstacles that can absorb or block the water.

6. Some levels may include buttons, levers, or special mechanics that you need to activate by pouring water on them.

7. Make sure the glass is stable and doesn't tip over while being filled.

8. If not enough water reaches the glass or too much is lost, you will fail the level and need to try again.

9. As levels progress, the difficulty increases with more complex puzzles and moving parts.

10. Keep practicing to improve your timing and strategy to complete each level with the right amount of water.

11. Watch out for traps and sharp objects like spikes that can pop the pipe or block the water.

12. Continue through the levels to unlock new challenges and environments.

13. Stay focused and try different approaches if you're stuck on a level.

14. Enjoy the fun animations and cheerful expressions of the smiling glass as you succeed.