Spot Differences is an awesome puzzle game written in native java code. It is designed beautifully. It will be very easy to redesign it. Try the dummy app here
Displaying images on same screen.
10 hints are available to help you. You can also increase or decrease it.
Cross icon will display when touch on wrong coordinates.
A ring icon will overlap on right cordinates
Different sound will play on wrong and right coordinates.
Pause and resume functionality included.
Beautiful design and UI
Startapp ad network integrated
Child's play to redesign it.
Full Source code
Java 1.6 or above
A Documentation is included to set up and reskin the application.