Play
4letterwords. is a cross platform game for mobile phones. You click letters to spell out the correct four letter word that answers a question, rinse and repeat.
Learn
Questions are generated to test your critical thinking ability, and can boost intelligence. Next time you are waiting for the bus, you can learn the Turkish word for tent.
Help
Sometimes you might not be able to give to charity financially. All profits of 4letterwords. will be used to fund microloans from kiva.org.