Possibly one of the most requested features since release, the installation of applications onto your microSD will be possible from Android Froyo (2.2) onwards.
This information came about after looking through the Android Issue Tracker, lo and behold “Status: Future Release” & a comment from a Android Dev:
Apologies, but I’m not permitted to disclose scheduling information – suffice to say
it’s coming soon
Sorry for being vague, and thank you for your continued patience – I sincerely
Mmmm Froyo goodness..
[Via: Android Issue Tracker]