From SIODATA Technologies Co. Ltd.:
Practice with puzzles made of matches to get smarter! Matches puzzles present as number, graphic or equation, move some of them to see if you can get the right result. It is fun and improve your intelligence. You can play it with yourself or compete with friends This is lite version and it is free , so go for it.
-click the question mark to see the requirement -Move matches to fit into the requirement -free of charge -You can find more if you go for the full version -play time is unlimited