How to enable app being moved to sdcard (and support android < 2.2 still)?

Question

How can i enable my app to be moved to the sdcard?

-edited the title in order to make question more relevant to the answers given.

Answer 1

This tutorial has clear instructions to move the app to SD Card

http://mobile.tutsplus.com/tutorials/android/move-to-sd-card/

Also it has pointer to when to use the SD Card feature http://developer.android.com/guide/topics/data/install-location.html#ShouldNot