Characters changed their color and they are on you image.
Find and tap characters in image.

Step1)
Select Level:
1 is easiest (large characters). 6 is difficult(small characters).
Select Image:
Load my Image: You can load your image as background. (Need an access permission for image)
Default Image: You can use default image as background.
Start:
Push Start button and start a game.

For Step2)
Select a character from bottom button and character will be in red rectangle.
After select a character, find and tap the character on image.

For Step3)
When find a correct character, character is in blue rectangle.