1. Open the "Coloring Book PlayTime" app on your mobile device.

2. On the main menu, tap the "Start" button to begin.

3. Browse through the collection of Playtime-themed images and select the one you want to color.

4. Once the image opens, you'll see a palette of colors at the bottom or side of the screen.

5. Tap on any color from the palette to select it.

6. After selecting a color, tap on the area of the image you want to fill with that color.

7. Continue selecting different colors and tapping different parts of the image to complete your artwork.

8. Use pinch-to-zoom gestures to zoom in or out for more detailed coloring.

9. If you make a mistake, tap the undo button or select the eraser tool to fix it.

10. Some versions may offer effects or patterns—tap the effects icon if available to try them.

11. Once you're done, tap the save icon to store your masterpiece in the gallery.

12. You can also share your finished coloring page with friends or family via social media or messaging apps.

13. Return to the main menu and pick another image to keep coloring and having fun.