Atlantic Record addition - Excellent addition to this thanks Jim Gilmour
This is a good alternative to install the FlashLite 3.1 distributable player on FlashLite enabled devices. The author has provided the links to some FlashLite applications which makes tetsing the player easier.
Yet I think now you can develope applications in FlashLite using the version checker. If you create the installable using Adobe Mobile Packager, it creates a version checker and checks if the target device has required FlashLite player. And it provides on the air installation/upgradation of FlashLite 3.1 player. You can get the details at Distributableplayer
The addition to the baisc article details the procedure and the requirements for creating new FlashLite 3.1 application.