Applications currently can't be installed to the SD card at all (rooted/modded phones excepted). I don't know what say the user will have. Many of the older ph

Applications currently can't be installed to the SD card at all (rooted/modded phones excepted). I don't know what say the user will have. Many of the older phones have limited internal storage, which the newer releases don't easily fit into, so presumably some applications could be offloaded into SD storage to make upgrades possible.