1. Open the BTS Pig Coloring Book app on your mobile device.

2. Tap the “Start” button on the main screen to enter the coloring book.

3. Browse through the selection of adorable BTS pig-themed coloring pages.

4. Tap on your favorite picture to begin coloring.

5. At the bottom or side of the screen, choose from a wide variety of vibrant colors.

6. Tap on a color to select it, then tap on the area of the image you want to fill with that color.

7. Use the zoom feature by pinching the screen to color small or detailed areas more precisely.

8. Switch colors as often as you like to create a unique and colorful masterpiece.

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

10. When you're finished, tap the save icon to store your artwork in your gallery.

11. Share your completed coloring pages with friends or on social media by tapping the share button.

12. Return to the main menu to choose another picture and continue the fun.

13. Enjoy relaxing and expressing your creativity with each pig-themed design.