first of all, thanks for the reply
the basic Idea is a simple spaceship shooting game. and there are many ways in which to make those more and more addictive (by making coins and boosters come out of the beaten spaceships, adding varying wepons, awesomer foes etc.). now, inorder to shoot a space ship, at the beginning at least, you have to press a spesific key.
let's say I don't know any english (and the game is aimed to include 4 YO, and maybe less). a spaceship arrives with the letter 'L' on it, which means that only th L key will fire your wepon. this means that you now have to evade the firing of the enemy while pressing the L key frantically.
in addition, a few seconds before the 'L' appeared on the spaceship, a voice says the word "el", and if you manage to press the L key before it appeares, your shot come out as bigger rays, and do more damage. this should give you an incentive to listen to what the narrator says.
the next step (after you easily beat the crap out of one letter space ships), space ships start to appear with a small picture on them, and the narrator says, for example "dog", and a few second's afterwards the letters d' o' and g' appear on the spaceship. now, if you press the full combination, a missile will fire out of your spaceship (which will, of course, become bigger if you press the combination before the word appears.
now, this simple format, if you only make the basic format addictive enough, should help you learn, fairly quickly how to write and pronounce words in a foreign language. of course you have to make sure that the narrator isn't lame, and that the flow of the game doesn't feel educational, but i think this really has potential.
thoughts?