facts can be true of false... QWERTY has been invented to stop typing machines getting jammed. Common used characters were put far away from one other, that's why typing with 1 hand is a pain.
I see you use Flash indeed (got2love internet). Shootorials it is! And google tutorials... I don't know. If you really want this, you can do it. PS. Gamemaking WILL ruin gameplay.
Dude, follow the shootorials. If you don't use Adobe Flash, then look for tutorials (but very hard). Or start with Visual Basic instead. There are many ways... something the most popular isn't the best one for you.