The rules are very simple. You just have to tap on the traffic lights to change them from red to green and vice versa! As you’ll progress further though, the difficulty will increase. This free game is very good for developing multitasking skills!
Your number one mission would be to group the same colored gems. In order to do that, just drag them across the screen. As you start moving the pieces, other jewels will appear.
This free game will test your math skills, giving you simple additions and subtractions. Just drag the correct answer and you’re good to go!