1. Launch the game "Protect My Dog 3" on your mobile device.

2. Observe the level layout, noting the position of the dog and any hazards such as bees, lava, thorns, or other environmental dangers.

3. Use your finger to draw a protective line on the screen. This line acts as a barrier that shields the dog from incoming threats.

4. Make sure your drawing is stable and well-positioned. The line must effectively block hazards without harming or trapping the dog.

5. Once your line is complete, release your finger to initiate the level’s action.

6. Bees will fly toward the dog in an attempt to attack. Watch as your drawn line defends against them.

7. If your dog remains safe for several seconds, the level is complete and you can move to the next one.

8. Each level increases in difficulty, introducing new obstacles and requiring more creative solutions.

9. Experiment with different shapes and techniques to find the most effective defenses.

10. Continue playing through all 100 levels, keeping your dog safe from harm in increasingly challenging situations.